MESON Chess Problem Database
Problem Display
PID: 142369 (Bb2bN1B/p3pPn1/2Pp4/2pk1n1R/K2N1Rp1/8/4Q3/8 w - - 0 1)
Lane, Henry Fitzgerald William
1st Prize=, British Chess Magazine, 1941/I
#2
10 + 10
| 14867 | BCPS Library | 2011 |
| 56 | The Problemist | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Bxc6+
- 2.Bxc6#
- 1...Bd7
- 2.cxd7#
- 1...Bxf7
- 2.c7#
- 1...Sxh5
- 2.Qe6#
- 1...Se6
- 2.Rfxf5#
- 2.Rhxf5#
- 2.Qxe6#
- 1...cxd4
- 2.Qb5#
- 1...Bxc6+
- Tries
- 1.Kb3?
- threat
- 2.Qe4#
- 1...cxd4
- 2.Qb5#
- 1...c4+!
- threat
- 1.Kb5?
- threat
- 2.Qe4#
- 1...Bxc6+
- 2.Bxc6#
- 1...a6+!
- threat
- 1.Sf3?
- threat
- 2.Qd1#
- 2.Qd3#
- 2.Qc4#
- 2.Qd2#
- 2.Qe4#
- 1...Sxh5
- 2.Qc4#
- 2.Qe4#
- 2.Qe6#
- 1...gxf3
- 2.Qe4#
- 1...c4
- 2.Qxc4#
- 1...Se6
- 2.Rfxf5#
- 2.Rhxf5#
- 2.Qc4#
- 2.Qe4#
- 2.Qxe6#
- 1...e5
- 2.Qc4#
- 2.Qe4#
- 1...Bxc6+!
- threat
- 1.Sb5?
- threat
- 2.Sc3#
- 2.Qe4#
- 1...Bxc6
- 2.Qe4#
- 1...c4!
- threat
- 1.Sxf5?
- threat
- 2.Se3#
- 2.Sxe7#
- 2.Qe4#
- 1...Sxf5
- 2.Qd1#
- 2.Qd3#
- 2.Qc4#
- 2.Qd2#
- 2.Qg2#
- 2.Qe4#
- 2.Qe6#
- 1...c4
- 2.Se3#
- 2.Sxe7#
- 1...e5
- 2.Se3#
- 2.Se7#
- 2.Qd1#
- 2.Qd3#
- 2.Qc4#
- 2.Qd2#
- 2.Qe4#
- 1...e6
- 2.Se3#
- 2.Se7#
- 2.Qe4#
- 1...Bxc6+!
- threat
- 1.Sd7?
- threat
- 2.c7#
- 1...Bxd7
- 2.cxd7#
- 1...Bc7!
- threat
- 1.Rhxf5+?
- 1...Sxf5
- 2.Qe6#
- 1...e5!
- 1...Sxf5
- 1.Qd1?
- threat
- 2.Sf3#
- 1...Bxc6+
- 2.Sxc6#
- 1...Kc4
- 2.Qb3#
- 1...Ke5
- 2.Rhxf5#
- 1...Sxh5
- 2.Sxf5#
- 1...cxd4
- 2.Qxd4#
- 1...Se6
- 2.Sdxe6#
- 1...e5
- 2.Sxf5#
- 1...c4!
- threat
- 1.Qd3?
- threat
- 2.Sf3#
- 1...Bxc6+
- 2.Sxc6#
- 1...Ke5
- 2.Rfxf5#
- 2.Rhxf5#
- 2.Qxf5#
- 1...Sxh5
- 2.Sxf5#
- 1...cxd4
- 2.Qb5#
- 2.Qxd4#
- 1...Se6
- 2.Sdxe6#
- 2.Rfxf5#
- 2.Rhxf5#
- 1...e5
- 2.Sxf5#
- 1...c4!
- threat
- 1.Qf3+?
- 1...Kc4
- 2.Sxf5#
- 2.Qb3#
- 1...Ke5
- 2.Bxg7#
- 2.Rhxf5#
- 1...gxf3!
- 1...Kc4
- 1.Qc4+?
- 1...Ke5
- 2.Rhxf5#
- 1...Kxc4!
- 1...Ke5
- 1.Qa2+?
- 1...Ke5
- 2.Rhxf5#
- 1...c4!
- 1...Ke5
- 1.Qg2+?
- 1...Ke5
- 2.Rhxf5#
- 1...Kc4!
- 1...Ke5
- 1.fxe8S?
- threat
- 2.c7#
- 1...cxd4
- 2.Qb5#
- 1...Bc7
- 2.Sxc7#
- 1...c4!
- threat
- 1.Kb3?
- Keys
- 1.Qd2!
- threat
- 2.Sf3#
- 1...Bxc6+
- 2.Sxc6#
- 1...Kc4
- 2.Sxf5#
- 1...Ke5
- 2.Rhxf5#
- 1...Sxh5
- 2.Sxf5#
- 1...cxd4
- 2.Qxd4#
- 1...Se6
- 2.Sdxe6#
- 1...c4
- 2.Qa5#
- 1...e5
- 2.Sxf5#
- threat
- 1.Qd2!
There are these versions: 149937
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- B(j);CHECK,OGATE,P_SPINB(j),XP(F)::B(H),XB(j)
- B(j);::B(H)+P(F),XB(j)
- B(j);N_PINP(F),XP(G)::B(H)+P(F)
- S(h);N_GUARD,N_SPINS(d),XR(E)::QAB1(A)
- P(b);OGATEB,XS(C)::QAR2(A)
- Tries
- Try
- K(B);N_SPINP(F),S_FLIGHT
- Threat
- QAB1(A)
- Vars
- P(b);OGATEB,XS(C)::QAR2(A)
- Refutation
- P(b);CHECK
- Try
- K(B);S_FLIGHT
- Threat
- QAB1(A)
- Vars
- B(j);CHECK,OGATE,P_SPINB(j),XP(F)::B(H),XB(j)
- Refutation
- P(f);CHECK
- Try
- S(C);
- Threat
- DUALS(5)
- Vars
- P(a);XS(C)::QAB1(A)
- P(b);::QAB1(A),XP(b)
- Refutation
- B(j);CHECK,P_SPINB(j),XP(F)
- Try
- S(C);N_SPINP(F)
- Threat
- DUALS(2)
- Vars
- B(j);P_PINS(C),P_SPINB(j),XP(F)::QAB1(A)
- Refutation
- P(b);
- Try
- S(C);XS(d)
- Threat
- DUALS(3)
- Refutation
- B(j);CHECK,P_SPINB(j),XP(F)
- Try
- S(I);N_SPINP(F)
- Threat
- B(H)+P(F)
- Vars
- B(j);OGATE,P_PINP(F),XS(I)::B(H)+P(F),XB(j)
- Refutation
- B(i);
- Try
- R(E);CHECK,XS(d)
- Vars
- S(h);XR(E)::QAB1(A)
- Refutation
- P(g);P_SPINP(g)
- Try
- Q(A);
- Threat
- QAR(A)+S(C)
- Vars
- B(j);CHECK,P_SPINB(j),XP(F)::QAR(A)+S(C),XB(j)
- K(c);N_SPINS(d),S_FLIGHT::QAB1(A)
- K(c);P-FLIGHT::R1(E),XS(d)
- S(h);N_SPINS(d),XR(E)::QAR(A)+S(C),XS(d)
- P(b);OGATE,P_SPINP(b),XS(C)::QAR1(A),XP(b)
- S(h);::QAR(A)+S(C),XS(h)
- P(g);N_SPINS(d),SBLOCK::QAR(A)+S(C),XS(d)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- QAR(A)+S(C)
- Vars
- B(j);CHECK,P_SPINB(j),XP(F)::QAR(A)+S(C),XB(j)
- S(h);N_SPINS(d),XR(E)::QAR(A)+S(C),XS(d)
- P(g);N_SPINS(d),SBLOCK::QAR(A)+S(C),XS(d)
- Refutation
- P(b);
- Try
- Q(A);CHECK
- Refutation
- P(a);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(c);P-FLIGHT::R1(E),XS(d)
- Refutation
- K(c);N_SPINS(d),S_FLIGHT,XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(c);P-FLIGHT::R1(E),XS(d)
- Refutation
- P(b);P_SPINP(b)
- Try
- Q(A);CHECK
- Vars
- K(c);P-FLIGHT::R1(E),XS(d)
- Refutation
- K(c);N_SPINS(d),S_FLIGHT
- Try
- P(G);N_SPINP(F),XB(j)
- Threat
- B(H)+P(F)
- Vars
- P(b);OGATEB,XS(C)::QAR2(A)
- B(i);N_GUARD::S(G),XB(i)
- Refutation
- P(b);
- Try
- Actual
- Q(A);
- Threat
- QAR(A)+S(C)
- Vars
- B(j);CHECK,P_SPINB(j),XP(F)::QAR(A)+S(C),XB(j)
- K(c);N_SPINS(d),S_FLIGHT::R(D)+S(C),XS(d)
- K(c);P-FLIGHT::R1(E),XS(d)
- S(h);N_SPINS(d),XR(E)::QAR(A)+S(C),XS(d)
- P(b);OGATE,P_SPINP(b),XS(C)::QAR1(A),XP(b)
- S(h);::QAR(A)+S(C),XS(h)
- P(b);OGATEB,SBLOCK::QAR(A)
- P(g);N_SPINS(d),SBLOCK::QAR(A)+S(C),XS(d)
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