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[DhtmlXQ_adddate]2011-04-28 18:52:00[/DhtmlXQ_adddate]
[DhtmlXQ_editdate]2011-04-28 18:52:00[/DhtmlXQ_editdate]
[DhtmlXQ_title]CC vs SaH in a nutshell[/DhtmlXQ_title]
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[DhtmlXQ_firstnum]0[/DhtmlXQ_firstnum]
[DhtmlXQ_length]7693[/DhtmlXQ_length]
[DhtmlXQ_type]中残局[/DhtmlXQ_type]
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[DhtmlXQ_other][/DhtmlXQ_other]
[DhtmlXQ_open]B41 五六炮左正马对反宫马[/DhtmlXQ_open]
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[DhtmlXQ_group]男子个人[/DhtmlXQ_group]
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[DhtmlXQ_round]第21轮[/DhtmlXQ_round]
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[DhtmlXQ_comment0]This is another crazy file which discusses the central cannon opening vs sandwiched horse openings. Or the fan gong ma opening as mentioned by Sam Sloan in his book Chinese Chess for Beginners.||Unfortunately, I have lost the information about the author of this wonderful program. ||I wish to share with you the intricacies of the central cannon vs the sandwich horse openings.[/DhtmlXQ_comment0]
[DhtmlXQ_comment1]The most commonly used opening for red for the past few centuries. Still the most widely used opening now. Accounts for over 60% (according to one article I had read one or two years ago) of active competitions. ||The sandwich horse counter is one of the major counters black has against the central cannon. It has proved itself to be a competent one through years of competition.||By default, C2=5 is the central cannon move here although some books may list C8=5 as the first move. It is really a mirror image.[/DhtmlXQ_comment1]
[DhtmlXQ_comment3]Red has a few options with this move. The most common one is H2+3. ||Sometimes, for various reasons, P7+1 is moved first. Such reasons include knowing your opponent is bad at this variation, or you have a flying dagger up your sleeve.||For beginners, I recommend viewing the H2+3 variation first.[/DhtmlXQ_comment3]
[DhtmlXQ_comment4]This is the Sandwich Horse Defence. The purpose of this move is to prevent or discourage Red from moving H8+7 or black can perform a fork with C6+5. ||1. C2=5 H2+3||2. H2+3 C8=6||3. H8+7 C6+5 ... and red will lose a piece. ||This palcorner palace cannon has also many other functions which the reader will see in the subsequent moves and their variations. ||As Sam Sloan puts it, this is the key piece which glues the entire black defence together.||The Sandwich Horse Defence will be abbreviated SaH in my site, to differentiate it from the Screen Horse Defence SH.||||It was considered an unorthodox opening in the past centuries, whereby even the limited games discussing it weighed heavily in red's favor.||||However, the SaH defence started making its debut in the 60's and 70's when GM Hu Ronghua re-studied the whole game and made many many brilliant corrections to fortify black's defence. ||GM Hu Ronghua published a short manual on it in teh 80's.||Throughout the 90's and 00's the SaH still remains a much relied counter against the central cannon.[/DhtmlXQ_comment4]
[DhtmlXQ_comment5]The variations begin. Red has 4 commonly used choices, each with its complex variations.||1. R1=2 --> CC with FR vs SaH||2. R1+1 --> CC with RR vs Sah which would often lead to the central linked horses attack. Ahem, also my counter of choice against the SaH.||3. P3+1 --> CC with 3PA (central cannon with 3rd Pawn advancement) vs SaH. ||4. P7+1 --> CC with 7PA vs SaH.||||Moving P3+1 or P7+1 first allows red to let the game proceed to one of the variations which he is more comfortable with. Or tactically speaking, if you know that your opponent hates one of the Pawn variations, you move to gain advantage.[/DhtmlXQ_comment5]
[DhtmlXQ_comment6]Also 3 choices for black. ||1. With H8+7, the SaH is completely formed.||2. With P7+1, black chooses the opening of this choice.||3. With A4+5, black chooses a more defensive approach to the game.||||I recommend that you go through H8+7 to know the basics of this opening.[/DhtmlXQ_comment6]
[DhtmlXQ_comment7]Now for the subvariations of the central cannon.||1. C8=6 --> 56 cannons vs SaH. One of the earliest counters against black's C6+5 threat. Also very stable and orderly formation. One of the most commonly used openings.||2. H8+7 --> Hehehe. Red tests black.||3. P3+1 --> CC with 3PA vs SaH||4. P7+1 --> CC with 7PA vs SaH||5. H8+9 --> Red still has not decided on his formation. He can proceed to move C8=6, C8=7 ... and make the necessary adjustments as based on black's counter.||6. P5+1 --> One of the oldest variations. ||||If you are already lost, I recommend reading variation B first, to understand the fundamental question of the 6th file cannon fork.[/DhtmlXQ_comment7]
[DhtmlXQ_comment8]This is killing me...||Anyway, let the variations continue.||||Black utilizes the ranked chariot to counter. This is a more aggressive counter.[/DhtmlXQ_comment8]
[DhtmlXQ_comment11]Now, A6+5 would be much better than A4+5, as A6+5 allows red to move C6-2 should he need to defend. Also, with A6+5, red does not have to fear black's 2nd file cannon going for a smothering cannon checkmate. ||But both variations are shown anyway.[/DhtmlXQ_comment11]
[DhtmlXQ_comment14]This is more aggressive play from black. It controls red's left side and prevents the horses from joining the attack. ||P3+1 is not a good move at this stage. See the variation below to understand why.[/DhtmlXQ_comment14]
[DhtmlXQ_comment15]Yes, I am as lost as you are...||Grin, anyway, black has 4 choices now.||a. R8+4||b. R2+4||c. R2+6||d. P7+1[/DhtmlXQ_comment15]
[DhtmlXQ_comment19]There is a trap here. Black is enticing red to move C2+5. Please see the next variation.[/DhtmlXQ_comment19]
[DhtmlXQ_comment24]Both sides are relatively equal, which makes SaH an acceptable choice.[/DhtmlXQ_comment24]
[DhtmlXQ_comment1_19]A trap for red.[/DhtmlXQ_comment1_19]
[DhtmlXQ_comment1_24]Black is considered to have done well up till now. Red's 7th file horse is immobile and black is ready to couterattack. Its pieces are also more readily movable.[/DhtmlXQ_comment1_24]
[DhtmlXQ_comment2_15]Red tries the river patrolling chariot to gain control of the river.[/DhtmlXQ_comment2_15]
[DhtmlXQ_comment2_16]The correct move for black. Black needs to move that chariot now and cannot be greedy with R4+3. ||C2=1 is also a weak move as there is no immediate threat to that cannon.[/DhtmlXQ_comment2_16]
[DhtmlXQ_comment2_17]Red is better off with this move. ||R2=4 is not advisable. Many novices including me would make this move by habit.[/DhtmlXQ_comment2_17]
[DhtmlXQ_comment2_21]Red cannot eat the cannon or his other chariot will be lost with E5+3.[/DhtmlXQ_comment2_21]
[DhtmlXQ_comment2_26]Black has a slight advantage. Red has a hard time.[/DhtmlXQ_comment2_26]
[DhtmlXQ_comment3_28]Black has a more satisfactory opening.[/DhtmlXQ_comment3_28]
[DhtmlXQ_comment4_16]Black should not hurry himself with R4+3...[/DhtmlXQ_comment4_16]
[DhtmlXQ_comment4_23]Red has the advantage after these few rounds.[/DhtmlXQ_comment4_23]
[DhtmlXQ_comment5_15]Move number 3. R2+6[/DhtmlXQ_comment5_15]
[DhtmlXQ_comment5_21]There is another variation for red, C5=4. Please see the next variation.[/DhtmlXQ_comment5_21]
[DhtmlXQ_comment5_24]The correct move for black. He cannot hurry himself with H7+6. See the variation below.[/DhtmlXQ_comment5_24]
[DhtmlXQ_comment5_27]Red tries to catch black chariot, but...[/DhtmlXQ_comment5_27]
[DhtmlXQ_comment5_28]Black has a slight advantage and can move his pieces much easily.[/DhtmlXQ_comment5_28]
[DhtmlXQ_comment6_26]As the elephant has not move, black's horse is susceptible to attack.[/DhtmlXQ_comment6_26]
[DhtmlXQ_comment6_27]Red has a better game now...[/DhtmlXQ_comment6_27]
[DhtmlXQ_comment7_26]Black is considered to be able to maneuver his pieces better.[/DhtmlXQ_comment7_26]
[DhtmlXQ_comment8_15]Move number 4. P7+1[/DhtmlXQ_comment8_15]
[DhtmlXQ_comment8_16]Thus far, it is an acceptable result for both sides. Red has the following 2 choices:||C5=4 or R2+6[/DhtmlXQ_comment8_16]
[DhtmlXQ_comment8_17]Incidentally, I just found out that the two cannons at the palace corners in this formation is called the crab eyed cannon formation.[/DhtmlXQ_comment8_17]
[DhtmlXQ_comment8_19]Red offers a sacrifice, tempting black to eat the horse.[/DhtmlXQ_comment8_19]
[DhtmlXQ_comment8_20]Nope, black cannot eat the horse, Please see the next variation to see why.[/DhtmlXQ_comment8_20]
[DhtmlXQ_comment8_22]Black cannot be greedy now and move H6+5. Take a look at this move in the next variation to understand why.[/DhtmlXQ_comment8_22]
[DhtmlXQ_comment9_22]Bad move for black,falling into red's trap.[/DhtmlXQ_comment9_22]
[DhtmlXQ_comment9_27]Red would win a major piece and/or have the advantage, as red threatens with a smothering cannon checkmate C7+3. If black moves the elephant E3+5/E7+5, his cannon would be lost. If it moves E3+1, the entire black's right flank is jammed.[/DhtmlXQ_comment9_27]
[DhtmlXQ_comment10_20]Nope, bad move for black...||Black loses much more in return for his greed.[/DhtmlXQ_comment10_20]
[DhtmlXQ_comment10_23]Red has black in a fork, and both of black's chariots are not in good maneuverable positions. The poison of that the horse that red sacrificed, takes its effect now. Black had better go to the hospital fast.[/DhtmlXQ_comment10_23]
[DhtmlXQ_comment11_26]Black has a satisfatory opening.[/DhtmlXQ_comment11_26]
[DhtmlXQ_comment12_37]Red would win material advantage. This was an actual game played in the 1981 Chinese National Team Championships by Hei Long Jiang Province's Sun Tie Rui against Shanghai's Yu Hong Mu.[/DhtmlXQ_comment12_37]
[DhtmlXQ_comment13_23]Red has the advantage.[/DhtmlXQ_comment13_23]
[DhtmlXQ_comment14_17]Second variation. R2+6[/DhtmlXQ_comment14_17]
[DhtmlXQ_comment14_18]This is a must make move. Black cannot try to let his right cannon escape now. Please click on the next variation to see why.[/DhtmlXQ_comment14_18]
[DhtmlXQ_comment14_19]R2=3 is not advisable.[/DhtmlXQ_comment14_19]
[DhtmlXQ_comment14_20]Black's R4-2 is still not satifactory as R8+6 by red would still have the advantage.[/DhtmlXQ_comment14_20]
[DhtmlXQ_comment14_27]Red has a slight advantage.[/DhtmlXQ_comment14_27]
[DhtmlXQ_comment15_30]Black has the upper hand. This was the game played in the 1981 Chinese National Team Championships by Hei Long Jiang's GM Wang Jialiang vs Shanghai's Hu Ronghua.[/DhtmlXQ_comment15_30]
[DhtmlXQ_comment16_23]Red has a very satisfactory opening.[/DhtmlXQ_comment16_23]
[DhtmlXQ_comment17_34]A good move by black. If the horse were allowed to roam free, black would be in trouble.[/DhtmlXQ_comment17_34]
[DhtmlXQ_comment17_38]Neither side has the advantage. This was the actual game played by Szechuan Province's Jiang QuanSheng vs Guangdong Province's GM Lv Qin int eh 1984 Chinese National Xiangqi Team Championhsips.[/DhtmlXQ_comment17_38]
[DhtmlXQ_comment18_28]Neither side has the advantage. An even game thus far. This was the game played between Jilin Province Lin Qujun vs Jiangsu Province's Li Guoxun in the 1987 Chinese National Xiangqi Team Championships.[/DhtmlXQ_comment18_28]
[DhtmlXQ_comment19_19]Red tries to force a pawn exchange with P3+1 the next move but this is not a good move.[/DhtmlXQ_comment19_19]
[DhtmlXQ_comment19_25]Bad move.[/DhtmlXQ_comment19_25]
[DhtmlXQ_comment19_26]An important move for black to control the river. Very important.[/DhtmlXQ_comment19_26]
[DhtmlXQ_comment19_30]Good hindsight by black (who is Lv Qin in this game)?[/DhtmlXQ_comment19_30]
[DhtmlXQ_comment19_36]A plausible alternative would be R4+2.[/DhtmlXQ_comment19_36]
[DhtmlXQ_comment19_42]Black has the slight advnatage. ||This was the game played in 1984 at the SanChu Cup by Beijing's Cang Ruyi vs Guangdong's Lv Qin.[/DhtmlXQ_comment19_42]
[DhtmlXQ_comment20_27]An even game.[/DhtmlXQ_comment20_27]
[DhtmlXQ_comment21_14]This is not a good choice for black. Please see the following.[/DhtmlXQ_comment21_14]
[DhtmlXQ_comment21_15]Red attempts to force black's chariot home with C5=6 the next move.[/DhtmlXQ_comment21_15]
[DhtmlXQ_comment21_24]Black must take the exchange or Red would move C5+3 check and then get a free chariot with red H5-6.[/DhtmlXQ_comment21_24]
[DhtmlXQ_comment21_31]Red has the initiative now. The horse can do much damage.[/DhtmlXQ_comment21_31]
[DhtmlXQ_comment22_14]A third alternative for black: ||P3+1 --> is not recommeded.[/DhtmlXQ_comment22_14]
[DhtmlXQ_comment22_17]This is a commonly used tactic in Chinese Chess. Red makes black make many moves with that pawn and can gain initiative with it.[/DhtmlXQ_comment22_17]
[DhtmlXQ_comment22_21]Thus far, red has done well. Black's right flank ( Red's left side) is quite vulnerable to red's attack.[/DhtmlXQ_comment22_21]
[DhtmlXQ_comment22_23]Red regains a lost piece.[/DhtmlXQ_comment22_23]
[DhtmlXQ_comment28_13]Correct move.[/DhtmlXQ_comment28_13]
[DhtmlXQ_comment28_23]Red's horses at the riverbank are very powerful. Black is in trouble.[/DhtmlXQ_comment28_23]
[DhtmlXQ_comment28_24]Black is forced to push his chariot to catch the horse...[/DhtmlXQ_comment28_24]
[DhtmlXQ_comment28_29]By forcing black to move out of red's 7th file, (black's 3rd file) black's 3rd file elphant is now prone for attack.[/DhtmlXQ_comment28_29]
[DhtmlXQ_comment28_41]Good move! With this move, red has forced black to move his horse to the side where it is effectively shelved for the time being.[/DhtmlXQ_comment28_41]
[DhtmlXQ_comment28_49]Red has the upper hand. This was the game played in 1981 in the Chinese National Xiangqi Team Championshiops between Huo Chetou's Meng Shaozhong vs Henan's province Gao Zhengsheng.[/DhtmlXQ_comment28_49]
[DhtmlXQ_comment29_33]Red has a more satisfactory outcome as black's 3rd file elephant is easily attacked.[/DhtmlXQ_comment29_33]
[DhtmlXQ_comment30_25]Red gains material advantage![/DhtmlXQ_comment30_25]
[DhtmlXQ_comment31_14]Now black has controlled the this file with this file.[/DhtmlXQ_comment31_14]
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