Sente's turn to play. This is an endgame position where Gote dropped a kNight on 35. When you have this sort of position, you are usually in byoyomi and it is extremely hard to read through all the variations. Your instinct may tell you that the N*35 is a threatmating move such as Nx27+ Kx27 G*26..., since Gote's 85 horse and 66 pawn are likely to work eventually well. So what should you do? The ideal proceeding is to make forced checks and finally make a threatmating move with simultaneously neutralizing Gote's possible mate threat. I let GPSfish calculate this position for 10 minutes on my PC, it evaluated more than 78 million positions but it failed to find the correct move and, very interestingly furthermore, it said the position was slightly favors Gote. So if you find the right answer, you can beat one of the strongest machines in this position! Actually, it is a problem of Hisshi in eleven.
You can replay the answer by clicking the arrow directing to the right under the diagram. Also, an exclamation mark sometimes appears there on a specific move during your replay, then click it and you can read my comments on that move.
Sente's turn to play. This is an endgame position where Gote dropped a Silver on 33 to avoid the checkmate with S-22+ or +B-22. Please find a hisshi(brinkmate) in three from here. This is based on an actual game. Please take your special attention what pieces Gote has in hand.
You can replay the answer by clicking the arrow directing to the right under the diagram. Also, an exclamation mark sometimes appears there on a specific move during your replay, then click it and you can read my comments on that move.
Sente's turn to play This is the position Gote dropped a Gold on 22. Please find a mate in five from here. You can replay the answer by clicking the arrow directing to the right under the diagram. Also, an exclamation mark sometimes appears there on a specific move during your replay, then click it and you can read my comments on that move.
The problems #0003, #0004 and #0005 are based on the game between 7th dan Hatakeyama Naruyuki and 6th dan Nishio Akira. You can replay it from the start to the end.
Gote's turn to play. This is the position where Sente dropped a Pawn on 87 to try to let Gote's Rook go back. Please answer just one move from here. It is the move a dan-holder should not miss. You can replay the answer by clicking the arrow directing to the right under the diagram. Also, an exclamation mark sometimes appears there on a specific move during your replay, then click it and you can read my comments on that move.
Gote’s Turn to play. This is a position where Sente took the 87 striking pawn with his Gold such as G78x87 in the previous move. Please find a three move line from here in order to make the quickest approach to Sente's King. You can replay the answer by clicking the arrow directing to the right under the diagram. Also, an exclamation mark sometimes appears there on a specific move during your replay, then click it and you can read my comments on that move.
Gote’s Turn to play. This is a position where Sente promoted the Pawn on 11. Please find a five-move-checkmating line to Sente's King. You can replay the answer by clicking the arrow directing to the right under the diagram. Also, an exclamation mark sometimes appears there on a specific move during your replay, then click it and you can read my comments on that move.
Sente's Turn to play. This is a position where Gote takes the Pawn on 23 in response to Sente's Pawn drop on 33. Please analyze 7-move-combination to win exchange. You can replay the answer by clicking the arrow directing to the right under the diagram. Also, an exclamation mark sometimes appears there on a specific move during your replay, then click it and you can read my comments on that move.
Sente's Turn to play.
This is a position where Gote's left Silver escaped from the capture threat by the 45 kNight from 33 to 34. Please analyze 7-move-combination to gain material. You can replay the answer by clicking the arrow directing to the right under the diagram. Also, an exclamation mark sometimes appears there on a specific move you replay, then click it and you can read my comments on that move.
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