博望 2019.07.14

练习1

EFN:

3b1rk1/qbr2ppp/pN2p3/P2nN3/1p1P1R2/3BP3/1P2Q1PP/5RK1 w - - 0 1

练习2

EFN:

1qr2rk1/pb2bppp/4pn2/1p1nN3/2NP4/1P5R/PB2QPPP/1B3RK1 w - - 0 1

Keypoints:

• 白棋招法: Nd7, 接着Bh7
• 如果黑棋吃马:
  • 白棋Bh7, 此时如果白棋黑王吃了白象, 白棋Qh5;
  • 否则如果黑王没有吃白象, 白象闪击之后Rh8, 强迫白王吃车, 然后再Qh5.
• 如果黑棋不吃马:
  • 白棋依旧Bh7, 此时黑棋如果用马吃象, 白棋Qh5可将杀(如果黑棋另一个马回f6防守, 白马可一吃掉这只黑马.)
  • 但是如果白棋不吃象, 而是Kh8, 怎么办?

练习3

EFN:

3r1rk1/5ppp/8/3pPB2/1nq2Q2/R7/5PPP/4R1K1 w - - 0 1

Keypoints:

• 直接Bh7, 最终可将杀.

其他练习

其他练习1

• https://www.thechesswebsite.com/bishop-sacrifice/

EFN:

r1bq1rk1/2pn1ppp/pb2p3/1p1pP3/3P3P/2PB1N2/PP3PP1/R1BQ1RK1 w - - 0 1

PGN - One branch of above EFN:

1. Bxh7 Kxh7 2. Ng5 Kg8 3. Qh5 Re8 4. Qxf7 Kh8 5. Qh5 Kg8 6. Qh7 Kf8 7. Qh8 Ke7 8. Qxg7# 1-0

Some keypoints

• Need light square bishop on the b1-h7 diagonal
• Need knight on f3
• Need Queen that can jump to h5
• Need bishop along the c1-h6 diagonal (usually seen on c1)
• Need pawn on e5