MESON Chess Problem Database
Problem Display
PID: 200807 (b4Kn1/8/r2pB3/P1PNp3/Q2pkPP1/1Pp2R2/N2b2P1/q1n5 w - - 0 1)
Mirand, Georges
diagrammes, 1974
#2
12 + 11
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Re3#
- 1...Be3
- 2.Rxe3#
- 1...Bxd5
- 2.Bf5#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...Be1
- Tries
- 1.Saxc3+?
- 1...Bxc3
- 2.Re3#
- 1...Qxc3!
- 1...Bxc3
- 1.Sab4?
- threat
- 2.Bf5#
- 1...d3
- 2.Sa2#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...exf4!
- threat
- 1.Bxg8?
- threat
- 2.Sf6#
- 1...Bxd5
- 2.Bh7#
- 1...exf4
- 2.Qe8#
- 1...Be3
- 2.Rxe3#
- 1...dxc5!
- threat
- 1.Qc4?
- threat
- 2.Bf5#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...exf4!
- threat
- 1.Saxc3+?
- Keys
- 1.Qe8!
- threat
- 2.Qg6#
- 1...exf4
- 2.Bxg8#
- 1...d3
- 2.Qa4#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- threat
- 1.Qe8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- B(c);N_GUARD::R1(D)
- B(c);N_GUARD::R1(D),XB(c)
- B(j);SBLOCK,XS(J)::B(K)
- S(k);N_GUARD::S(J),XS(k)
- S(k);N_GUARD::S(J)
- Tries
- Try
- S(A);CHECK,XP(d)
- Vars
- B(c);XS(A)::R1(D)
- Refutation
- Q(a);XS(A)
- Try
- S(A);N_PINP(e)
- Threat
- B(K)
- Vars
- P(e);::QAR(E)+S(A)
- S(k);N_GUARD::S(J)
- Refutation
- P(g);XP(F)
- Try
- B(K);XS(k)
- Threat
- S(J)
- Vars
- B(j);SBLOCK,XS(J)::B(K)
- P(g);OGATEB,XP(F)::QAR(E)
- B(c);N_GUARD::R1(D),XB(c)
- Refutation
- P(i);XP(I)
- Try
- Q(E);
- Threat
- B(K)
- Vars
- S(k);N_GUARD::S(J)
- Refutation
- P(g);XP(F)
- Try
- Actual
- Q(E);N_PINP(e)
- Threat
- QAB(E)
- Vars
- P(g);OGATEB,XP(F)::QAR(E)+B(K),XS(k)
- P(e);OGATEB::QAR(E)
- S(k);N_GUARD::S(J)
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