MESON Chess Problem Database
Problem Display
PID: 150492 (B4R2/6np/q3b3/2ppp3/2nNk1PR/b1Q3BK/1p6/8 w - - 0 1)
Robert, Philippe
Die Schwalbe, 2013
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Bxg4+
- 2.Rxg4#
- 1...Bf5
- 2.gxf5#
- 1...Bf7
- 2.g5#
- 1...Bg8
- 2.g5#
- 1...Sf5
- 2.gxf5#
- 1...cxd4
- 2.Qf3#
- 1...exd4
- 2.Qf3#
- 1...Bxg4+
- Tries
- 1.Sc2?
- threat
- 2.Qf3#
- 1...Bxg4+
- 2.Rxg4#
- 1...Bf5
- 2.gxf5#
- 1...Sd2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf5
- 2.gxf5#
- 1...Bf7!
- threat
- 1.Sb3?
- threat
- 2.Qf3#
- 1...Bxg4+
- 2.Rxg4#
- 1...Bf5
- 2.gxf5#
- 1...Sd2
- 2.Sxd2#
- 1...Se3
- 2.Sd2#
- 1...Sf5
- 2.gxf5#
- 1...Bf7!
- threat
- 1.Sf3?
- threat
- 2.Sg5#
- 1...Bxg4+
- 2.Rxg4#
- 1...h6!
- threat
- 1.Sf5?
- threat
- 2.g5#
- 1...Bxf5
- 2.gxf5#
- 1...Sxf5
- 2.gxf5#
- 1...Se3
- 2.Qxe3#
- 1...Sh5
- 2.gxh5#
- 1...Bf7!
- threat
- 1.Bf2?
- threat
- 2.Qc2#
- 2.Qf3#
- 1...Bxg4+
- 2.Rxg4#
- 1...cxd4
- 2.Qf3#
- 1...Bf5
- 2.Qf3#
- 2.gxf5#
- 1...Bf7
- 2.Qf3#
- 2.g5#
- 1...Sf5
- 2.Qf3#
- 2.gxf5#
- 1...b1Q
- 2.Qf3#
- 1...b1B
- 2.Qf3#
- 1...Qa4
- 2.Qf3#
- 1...Sd2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sa5
- 2.Qe3#
- 2.Qf3#
- 1...Sb6
- 2.Qe3#
- 2.Qf3#
- 1...Sd6
- 2.Qe3#
- 2.Qf3#
- 1...exd4!
- threat
- 1.Bxd5+?
- 1...Bxd5
- 2.g5#
- 1...Kxd5!
- 1...Bxd5
- 1.Qc2+?
- 1...Ke3
- 2.Bf2#
- 1...Kxd4!
- 1...Ke3
- 1.Sc2?
- Keys
- 1.Rf5!
- threat
- 2.g5#
- 1...Bxf5
- 2.gxf5#
- 1...Sxf5
- 2.gxf5#
- 1...cxd4
- 2.Qf3#
- 1...exd4
- 2.Qf3#
- 1...Se3
- 2.Rxe5#
- 1...Sh5
- 2.gxh5#
- threat
- 1.Rf5!
There are these versions: 155920
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(i);CHECK,OGATE,P_SPINB(i),XP(E)::R(F),XB(i)
- B(i);::R(F)+P(E),XB(i)
- B(i);N_PINP(E)::R(F)+P(E)
- S(j);N_PINP(E)::R(F)+P(E),XS(j)
- P(e);SBLOCK,XS(D)::QAB1(A)
- P(g);SBLOCK,XS(D)::QAB1(A)
- Tries
- Try
- S(D);
- Threat
- QAB1(A)
- Vars
- B(i);CHECK,OGATE,P_SPINB(i),XP(E)::R(F),XB(i)
- B(i);::R(F)+P(E),XB(i)
- S(c);N_GUARD::QAR1(A)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(j);N_PINP(E)::R(F)+P(E),XS(j)
- Refutation
- B(i);N_PINP(E)
- Try
- S(D);
- Threat
- QAB1(A)
- Vars
- B(i);CHECK,OGATE,P_SPINB(i),XP(E)::R(F),XB(i)
- B(i);::R(F)+P(E),XB(i)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD::S(D)
- S(j);N_PINP(E)::R(F)+P(E),XS(j)
- Refutation
- B(i);N_PINP(E)
- Try
- S(D);
- Threat
- S(D)
- Vars
- B(i);CHECK,OGATE,P_SPINB(i),XP(E)::R(F),XB(i)
- Refutation
- P(k);
- Try
- S(D);N_SPINP(E)
- Threat
- R(F)+P(E)
- Vars
- B(i);OGATE,P_PINP(E),XS(D)::R(F)+P(E),XB(i)
- S(j);OGATE,XS(D)::R(F)+P(E),XS(j)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(j);OGATE::R(F)+P(E),XS(j)
- Refutation
- B(i);
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,OGATE,P_SPINB(i),XP(E)::R(F),XB(i)
- P(e);XS(D)::QAB1(A)
- P(a);::QAB1(A)
- Q(h);::QAB1(A)
- S(c);N_GUARD::QAR1(A)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- P(g);XS(D)
- Try
- B(G);CHECK,XP(f)
- Vars
- B(i);N_PINP(E),SBLOCK,XB(G)::R(F)+P(E)
- Refutation
- K(d);S_FLIGHT,XB(G)
- Try
- Q(A);CHECK
- Vars
- K(d);N_SPINP(f),P-FLIGHT::B(B)
- Refutation
- K(d);N_SPINP(f),P-FLIGHT,XS(D)
- Try
- Actual
- R(H);N_SPINP(E)
- Threat
- R(F)+P(E)
- Vars
- B(i);OGATE,P_PINP(E),XR(H)::R(F)+P(E),XB(i)
- S(j);OGATE,XR(H)::R(F)+P(E),XS(j)
- P(e);SBLOCK,XS(D)::QAB1(A)
- P(g);SBLOCK,XS(D)::QAB1(A)
- S(c);N_GUARD::R1(H),XP(g)
- S(j);OGATE::R(F)+P(E),XS(j)
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