MESON Chess Problem Database
Problem Display
PID: 269537 (2N2R2/1r1pP1pr/2q1pB1b/5k1b/2Q3NP/5pPK/8/8 w - - 0 1)
Eaton, Vincent Lanius
British Chess Magazine, 1934
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Qc5
- 2.Qd3#
- 1...Qb6
- 2.Qd3#
- 2.Qc2#
- 1...Qc7
- 2.Qd3#
- 1...Qxc8
- 2.Qd3#
- 1...Bxg4+
- 2.Qxg4#
- 1...d5
- 2.Qd3#
- 1...gxf6
- 2.Rxf6#
- 1...g6
- 2.Bg7#
- 1...Qc5
- Tries
- 1.Se3+?
- 1...Kg6
- 2.e8Q#
- 2.e8B#
- 1...Bxe3!
- 1...Kg6
- 1.Sd6+?
- 1...Kg6
- 2.Se5#
- 2.e8Q#
- 2.e8B#
- 1...Qxd6!
- 1...Kg6
- 1.Ba1+?
- 1...Kg6
- 2.Se5#
- 2.e8Q#
- 2.e8B#
- 1...Bf7!
- 1...Kg6
- 1.Bb2+?
- 1...Kg6
- 2.Se5#
- 2.e8Q#
- 2.e8B#
- 1...Bf7!
- 1...Kg6
- 1.Bc3+?
- 1...Kg6
- 2.Se5#
- 2.e8Q#
- 2.e8B#
- 1...Bf7!
- 1...Kg6
- 1.Bd4+?
- 1...Ke4
- 2.Sf2#
- 2.Bc5#
- 1...Kg6
- 2.Se5#
- 2.e8Q#
- 2.e8B#
- 1...Bf7!
- 1...Ke4
- 1.Be5+?
- 1...Kg6
- 2.e8Q#
- 2.e8B#
- 1...Bf7!
- 1...Kg6
- 1.Bg5+?
- 1...Kg6
- 2.Se5#
- 2.e8Q#
- 2.e8B#
- 1...Bf7!
- 1...Kg6
- 1.Qf4+?
- 1...Kg6
- 2.Se5#
- 2.e8Q#
- 2.e8B#
- 1...Bxf4!
- 1...Kg6
- 1.e8B?
- threat
- 2.Se7#
- 1...Bxg4+
- 2.Qxg4#
- 1...Qxc4
- 2.Sd6#
- 1...Qxc8
- 2.Qd3#
- 1...gxf6
- 2.Rxf6#
- 1...Qc5
- 2.Qd3#
- 1...Qd6
- 2.Sxd6#
- 1...d5
- 2.Qd3#
- 1...g5
- 2.Se3#
- 1...g6
- 2.Bg7#
- 1...d6!
- threat
- 1.Se3+?
- Keys
- 1.e8Q!
- threat
- 2.Se7#
- 1...Bxg4+
- 2.Qxg4#
- 1...Qxc4
- 2.Sd6#
- 1...Qxc8
- 2.Qd3#
- 1...gxf6
- 2.Rxf6#
- 1...Qc5
- 2.Qd3#
- 1...Qd6
- 2.Sxd6#
- 1...d5
- 2.Qd3#
- 1...d6
- 2.Qcxe6#
- 1...g5
- 2.Se3#
- 1...g6
- 2.Bg7#
- threat
- 1.e8Q!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- Q(d);N_GUARD::QAB(C)
- Q(d);N_GUARD,XS(H)::QAB(C)
- B(c);CHECK,OGATE,XS(D)::QAB1(C),XB(c)
- P(h);S_CUTQ(d)::QAB(C)
- P(i);OGATE,P_SPINP(i),XB(F)::R1(I),XP(i)
- P(i);SBLOCK,S_CUTB(c)::R(I)+B(F)
- Tries
- Try
- S(D);CHECK
- Vars
- K(b);S_CUTB(f),S_FLIGHT::P=Q
- Refutation
- B(f);XS(D)
- Try
- S(H);CHECK
- Refutation
- Q(d);XS(H)
- Try
- B(F);CHECK
- Refutation
- B(c);P_SPINB(c)
- Try
- B(F);CHECK
- Refutation
- B(c);P_SPINB(c)
- Try
- B(F);CHECK
- Refutation
- B(c);P_SPINB(c)
- Try
- B(F);CHECK
- Refutation
- B(c);P_SPINB(c)
- Try
- B(F);CHECK
- Vars
- K(b);S_CUTB(c),S_FLIGHT::P=Q
- Refutation
- B(c);P_SPINB(c)
- Try
- B(F);CHECK
- Refutation
- B(c);P_SPINB(c)
- Try
- Q(C);CHECK
- Refutation
- B(f);XQ(C)
- Try
- P(G);
- Threat
- S(H)
- Vars
- B(c);CHECK,OGATE,XS(D)::QAB1(C),XB(c)
- Q(d);N_GUARD,XQ(C)::S(H)
- Q(d);N_GUARD,XS(H)::QAB(C)
- P(i);OGATE,P_SPINP(i),XB(F)::R1(I),XP(i)
- Q(d);N_GUARD::QAB(C)
- Q(d);N_GUARD::S(H),XQ(d)
- P(h);S_CUTQ(d)::QAB(C)
- P(i);S_CUTB(f)::S(D)
- P(i);S_CUTB(c)::R(I)+B(F)
- Refutation
- P(h);
- Try
- Actual
- P(G);
- Threat
- S(H)
- Vars
- B(c);CHECK,OGATE,XS(D)::QAB1(C),XB(c)
- Q(d);N_GUARD,XQ(C)::S(H)
- Q(d);N_GUARD,XS(H)::QAB(C)
- P(i);OGATE,P_SPINP(i),XB(F)::R1(I),XP(i)
- Q(d);N_GUARD::QAB(C)
- Q(d);N_GUARD::S(H),XQ(d)
- P(h);S_CUTQ(d)::QAB(C)
- P(h);N_GUARD,S_CUTQ(d)::QAB1(C),XP(e)
- P(i);S_CUTB(f)::S(D)
- P(i);S_CUTB(c)::R(I)+B(F)
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