MESON Chess Problem Database
Problem Display
PID: 87951 (3R4/7p/p2NkB1R/P2p4/6p1/K1Nnpn2/1p2P1B1/1Q6 w - - 0 1)
Francey, James
2nd HM., The Problemist, 1931
#2
10 + 9
| 6490 | yacpdb | 2009 |
| 14867 | BCPS Library | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Qf5#
- 1...Sde1
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sb4
- 2.Qf5#
- 1...Sf4
- 2.Qf5#
- 1...Sc5
- 2.Qf5#
- 1...Sde5
- 2.Qf5#
- 1...Sfe1
- 2.Bxd5#
- 1...Sg1
- 2.Bxd5#
- 1...Sd2
- 2.Bxd5#
- 1...Sh2
- 2.Bxd5#
- 1...Sd4
- 2.Bxd5#
- 1...Sh4
- 2.Bxd5#
- 1...Sfe5
- 2.Bxd5#
- 1...Sg5
- 2.Bxd5#
- 1...g3
- 2.Bh3#
- 1...d4
- 2.Qa2#
- 1...Sc1
- Tries
- 1.Ka4?
- 1...Sc1
- 2.Qf5#
- 1...Sde1
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sb4
- 2.Qf5#
- 1...Sf4
- 2.Qf5#
- 1...Sde5
- 2.Qf5#
- 1...Sfe1
- 2.Bxd5#
- 1...Sg1
- 2.Bxd5#
- 1...Sd2
- 2.Bxd5#
- 1...Sh2
- 2.Bxd5#
- 1...Sd4
- 2.Bxd5#
- 1...Sh4
- 2.Bxd5#
- 1...Sfe5
- 2.Bxd5#
- 1...Sg5
- 2.Bxd5#
- 1...g3
- 2.Bh3#
- 1...d4
- 2.Qa2#
- 1...Sc5+!
- 1...Sc1
- 1.Bh1?
- 1...Sfe1
- 2.Bxd5#
- 1...Sc1
- 2.Qf5#
- 1...Sde1
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sb4
- 2.Qf5#
- 1...Sf4
- 2.Qf5#
- 1...Sc5
- 2.Qf5#
- 1...Sde5
- 2.Qf5#
- 1...Sg1
- 2.Bxd5#
- 1...Sd2
- 2.Bxd5#
- 1...Sh2
- 2.Bxd5#
- 1...Sd4
- 2.Bxd5#
- 1...Sh4
- 2.Bxd5#
- 1...Sfe5
- 2.Bxd5#
- 1...Sg5
- 2.Bxd5#
- 1...d4
- 2.Qa2#
- 1...g3!
- 1...Sfe1
- 1.Bxf3?
- threat
- 2.Bxg4#
- 2.Bxd5#
- 1...Sf2
- 2.Bxd5#
- 2.Qf5#
- 1...Sb4
- 2.Bxg4#
- 2.Qf5#
- 1...Sf4
- 2.Bxg4#
- 2.Qf5#
- 1...Se5
- 2.Bxd5#
- 2.Qf5#
- 1...g3
- 2.Bg4#
- 2.Bxd5#
- 1...d4
- 2.Bxg4#
- 2.Bd5#
- 2.Qa2#
- 1...gxf3!
- threat
- 1.Qxd3?
- threat
- 2.Qf5#
- 2.Qxd5#
- 1...b1Q
- 2.Qxd5#
- 1...b1B
- 2.Qxd5#
- 1...Sd4
- 2.Bxd5#
- 2.Qxe3#
- 1...Sh4
- 2.Bxd5#
- 2.Qxe3#
- 2.Qxd5#
- 1...d4
- 2.Qc4#
- 2.Qf5#
- 1...b1S+!
- threat
- 1.exd3?
- 1...Se1
- 2.Bxd5#
- 1...Sg1
- 2.Bxd5#
- 1...Sd2
- 2.Bxd5#
- 1...Sh2
- 2.Bxd5#
- 1...Sd4
- 2.Bxd5#
- 1...Sh4
- 2.Bxd5#
- 1...Se5
- 2.Bxd5#
- 1...Sg5
- 2.Bxd5#
- 1...g3
- 2.Bh3#
- 1...d4
- 2.Qa2#
- 1...e2!
- 1...Se1
- 1.exf3?
- 1...gxf3
- 2.Bh3#
- 1...Sc1
- 2.Qf5#
- 1...Se1
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sb4
- 2.Qf5#
- 1...Sf4
- 2.Qf5#
- 1...Sc5
- 2.Qf5#
- 1...Se5
- 2.Qf5#
- 1...g3
- 2.Bh3#
- 1...d4
- 2.Qa2#
- 1...e2!
- 1...gxf3
- 1.Ka4?
- Keys
- 1.Sce4!
- 1...dxe4
- 2.Qa2#
- 1...d4
- 2.Qa2#
- 1...Sfe1
- 2.Sg5#
- 1...Sc1
- 2.Sc5#
- 1...Sde1
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...Sb4
- 2.Sc5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sde5
- 2.Sc5#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Sfe5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...g3
- 2.Bh3#
- 1...dxe4
- 1.Sce4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 15
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(b);OGATE::QAB1(A)
- S(d);OGATE::B(C),XP(f)
- P(e);OGATEB::B(C)
- P(f);OGATEB::QAB(A)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- S(b);OGATE::QAB1(A)
- S(d);OGATE::B(C),XP(f)
- P(e);OGATEB::B(C)
- P(f);OGATEB::QAB(A)
- Refutation
- S(b);CHECK
- Try
- B(C);
- Vars
- S(d);OGATE::B(C),XP(f)
- S(b);OGATE::QAB1(A)
- P(f);OGATEB::QAB(A)
- Refutation
- P(e);
- Try
- B(C);XS(d)
- Threat
- DUALS(2)
- Refutation
- P(e);XB(C)
- Try
- Q(A);XS(b)
- Threat
- DUALS(2)
- Vars
- P(a);::QAB1(A),XP(f)
- Refutation
- P(a);CHECK
- Try
- P(B);XS(b)
- Vars
- S(d);OGATE::B(C),XP(f)
- P(e);OGATEB::B(C)
- P(f);OGATEB::QAB(A)
- Refutation
- P(c);
- Try
- P(B);XS(d)
- Vars
- P(e);OGATEB,XP(B)::B(C)
- S(b);OGATE::QAB1(A)
- P(e);OGATEB::B(C)
- P(f);OGATEB::QAB(A)
- Refutation
- P(c);
- Try
- Actual
- S(E);
- Vars
- P(f);OGATEB,XS(E)::QAB(A)
- P(f);OGATEB::QAB(A)
- S(d);N_GUARD::S(E)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(d);N_GUARD::S(E),XS(d)
- P(e);OGATEB::B(C)
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