MESON Chess Problem Database
Problem Display
PID: 259454 (4R3/5p2/4bBpK/3pN1n1/R2p1k2/6N1/5P2/5B2 w - - 0 1)
Cheylan, Yves
The Problemist, 1974
#2
8 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Bh3
- 2.Bxg5#
- 1...Bg4
- 2.Bxg5#
- 1...Bf5
- 2.Bxg5#
- 1...Bd7
- 2.Bxg5#
- 1...Bc8
- 2.Bxg5#
- 1...Sh3
- 2.Rxd4#
- 1...Sh7
- 2.Rxd4#
- 1...Bh3
- Tries
- 1.Be2?
- threat
- 2.Sd3#
- 1...Bf5
- 2.Bxg5#
- 1...Sf3!
- threat
- 1.Bd3?
- threat
- 2.Se2#
- 1...Bg4
- 2.Bxg5#
- 1...Se4!
- threat
- 1.Ra3?
- 1...Sf3
- 2.Rxf3#
- 1...Bh3
- 2.Bxg5#
- 1...Bg4
- 2.Bxg5#
- 1...Bf5
- 2.Bxg5#
- 1...Bd7
- 2.Bxg5#
- 1...Bc8
- 2.Bxg5#
- 1...Sh3
- 2.Rf3#
- 1...Se4
- 2.Rf3#
- 1...Sh7
- 2.Rf3#
- 1...d3!
- 1...Sf3
- 1.Be2?
- Keys
- 1.Bh3!
- 1...Bxh3
- 2.Bxg5#
- 1...Sxh3
- 2.Rxd4#
- 1...Sf3
- 2.Sd3#
- 1...Bg4
- 2.Bxg5#
- 1...Bf5
- 2.Bxg5#
- 1...Bd7
- 2.Bxg5#
- 1...Bc8
- 2.Bxg5#
- 1...Se4
- 2.Se2#
- 1...Sh7
- 2.Rxd4#
- 1...Bxh3
- 1.Bh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(e);::B(F),XS(d)
- S(d);N_GUARD::R(D),XP(a)
- Tries
- Try
- B(A);
- Threat
- S(E)
- Vars
- B(e);::B(F),XS(d)
- Refutation
- S(d);
- Try
- B(A);
- Threat
- S(C)
- Vars
- B(e);::B(F),XS(d)
- Refutation
- S(d);N_SPINP(a)
- Try
- R(D);N_PINP(a)
- Vars
- S(d);N_GUARD::R1(D),XS(d)
- B(e);::B(F),XS(d)
- S(d);N_GUARD::R1(D)
- Refutation
- P(a);
- Try
- Actual
- B(A);
- Vars
- B(e);XB(A)::B(F),XS(d)
- S(d);N_GUARD,XB(A)::R(D),XP(a)
- S(d);SBLOCK::S(E)
- B(e);::B(F),XS(d)
- S(d);N_SPINP(a),SBLOCK::S(C)
- S(d);N_GUARD::R(D),XP(a)
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