MESON Chess Problem Database
Problem Display
PID: 17418 (1B4RN/2P5/1Q1N3K/2nP4/5k2/b1R4P/q1b5/7B w - - 0 1)
Goldschmeding, Cornelis
2nd Comm., Probleemblad, 1946
#2
11 + 5
| 273 | Mat Plus | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Sg6#
- 1...Bb3
- 2.Sg6#
- 1...Ba4
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sb3
- 2.Qe3#
- 1...Sd3
- 2.Qd4#
- 1...Sa4
- 2.Qe3#
- 1...Se4
- 2.Sg6#
- 1...Sa6
- 2.Qe3#
- 1...Se6
- 2.Qe3#
- 1...Sb7
- 2.Qe3#
- 1...Sd7
- 2.Qe3#
- 1...Bd1
- Tries
- 1.Rf8+?
- 1...Bf5
- 2.Sg6#
- 2.Rxf5#
- 1...Ke5!
- 1...Bf5
- 1.c8Q?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sdf7#
- 2.Se8#
- 1...Ke5
- 2.Sb5#
- 2.Sf5#
- 1...Bd3
- 2.Sc4#
- 2.Sf5#
- 1...Qc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sdf7#
- 2.Se8#
- 1...Be4
- 2.Sc4#
- 2.Sxe4#
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sdf7#
- 2.Se8#
- 1...Bf5
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sxf5#
- 2.Sb7#
- 2.Sdf7#
- 2.Se8#
- 2.Qxf5#
- 1...Sb3
- 2.Qe3#
- 1...Sd3
- 2.Qd4#
- 2.Qf5#
- 1...Sa4
- 2.Qe3#
- 1...Se4
- 2.Sg6#
- 2.Qf5#
- 1...Sa6
- 2.Qe3#
- 1...Se6
- 2.Qe3#
- 1...Sb7
- 2.Qe3#
- 1...Sd7
- 2.Qe3#
- 1...Qxd5!
- threat
- 1.c8B?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sdf7#
- 2.Se8#
- 1...Ke5
- 2.Sb5#
- 2.Sf5#
- 1...Bd3
- 2.Sc4#
- 2.Sf5#
- 1...Qc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sdf7#
- 2.Se8#
- 1...Be4
- 2.Sc4#
- 2.Sxe4#
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sdf7#
- 2.Se8#
- 1...Bf5
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sxf5#
- 2.Sb7#
- 2.Sdf7#
- 2.Se8#
- 1...Sb3
- 2.Qe3#
- 1...Sd3
- 2.Qd4#
- 1...Sa4
- 2.Qe3#
- 1...Se4
- 2.Sg6#
- 1...Sa6
- 2.Qe3#
- 1...Se6
- 2.Qe3#
- 1...Sb7
- 2.Qe3#
- 1...Sd7
- 2.Qe3#
- 1...Qxd5!
- threat
- 1.Rf8+?
- Keys
- 1.Sc4!
- threat
- 2.c8Q#
- 2.c8B#
- 1...Kf5
- 2.Rf8#
- 1...Qxc4
- 2.c8Q#
- 2.c8B#
- 1...Qb1
- 2.c8Q#
- 2.c8B#
- 1...Qb3
- 2.c8Q#
- 2.c8B#
- 1...Qa1
- 2.c8Q#
- 2.c8B#
- 1...Qb2
- 2.c8Q#
- 2.c8B#
- 1...Bb1
- 2.c8Q#
- 2.c8B#
- 1...Bd1
- 2.Rf8#
- 2.Qf6#
- 2.c8Q#
- 2.c8B#
- 1...Bb3
- 2.Rf8#
- 2.Qf6#
- 2.c8Q#
- 2.c8B#
- 1...Bd3
- 2.c8Q#
- 2.c8B#
- 1...Ba4
- 2.Rf8#
- 2.Qf6#
- 2.c8Q#
- 2.c8B#
- 1...Be4
- 2.c8Q#
- 2.c8B#
- 1...Bf5
- 2.Qd6#
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bg6
- 2.c8Q#
- 2.c8B#
- 1...Bh7
- 2.c8Q#
- 2.c8B#
- 1...Bc1
- 2.c8Q#
- 2.c8B#
- 1...Bb2
- 2.c8Q#
- 2.c8B#
- 1...Bb4
- 2.c8Q#
- 2.c8B#
- 1...Sb3
- 2.Qf2#
- 1...Sd3
- 2.Qf6#
- 1...Sa4
- 2.Qf2#
- 1...Se4
- 2.Rf3#
- 1...Sa6
- 2.Qf2#
- 1...Se6
- 2.Qf2#
- 1...Sb7
- 2.Qf2#
- 1...Sd7
- 2.Qf2#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(b);N_GUARD::S(K)
- B(b);N_GUARD::S(K),XB(b)
- S(e);OGATE::QAB1(E)
- S(e);OGATE::QAR2(E)
- S(e);S_CUTB(b)::S(K)
- Tries
- Try
- R(J);CHECK
- Refutation
- K(d);S_FLIGHT
- Try
- P(H);
- Threat
- DUALS(7)
- Vars
- S(e);OGATE::QAB1(E)
- Refutation
- Q(a);XP(D)
- Try
- P(H);
- Threat
- DUALS(7)
- Vars
- S(e);OGATE::QAB1(E)
- S(e);OGATE::QAR2(E)
- S(e);S_CUTB(b)::S(K)
- Refutation
- Q(a);XP(D)
- Try
- Actual
- S(F);
- Threat
- P=Q
- Vars
- K(d);P-FLIGHT::R(J)
- Q(a);XS(F)::P=Q
- Q(a);::P=Q
- B(b);::P=Q
- B(c);::P=Q
- S(e);OGATE::QAR2(E)
- S(e);S_CUTB(b)::QAR2(E)
- S(e);SBLOCK::R1(B)
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