MESON Chess Problem Database
Problem Display
PID: 133634 (8/6P1/2pppB2/1n1k1n2/2RpN1N1/1K3P2/3Q4/8 w - - 0 1)
Rice, John Michael
Problemas, 1962
#2
8 + 7
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa7
- 2.Sc3#
- 1...Sc7
- 2.Sc3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sh6
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...Sxg7
- 2.Se3#
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...Sa3
- Tries
- 1.Bh4?
- threat
- 2.Sef6#
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...c5!
- threat
- 1.Be5?
- threat
- 2.Sef6#
- 1...dxe5
- 2.Sgf6#
- 2.Rc5#
- 1...c5!
- threat
- 1.Bg5?
- threat
- 2.Sef6#
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...c5!
- threat
- 1.Be7?
- threat
- 2.Sef6#
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...c5!
- threat
- 1.Bd8?
- threat
- 2.Sef6#
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...c5!
- threat
- 1.Qg5?
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...Sa3
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sc7
- 2.Rxd4#
- 1...d3
- 2.Se3#
- 1...c5!
- 1...e5
- 1.Qd3?
- 1...Sxg7
- 2.Se3#
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa7
- 2.Sc3#
- 1...Sc7
- 2.Sc3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sh6
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...c5!
- 1...Sxg7
- 1.g8Q?
- 1...c5
- 2.Qa8#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa7
- 2.Sc3#
- 1...Sc7
- 2.Sc3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sh6
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...Sg7
- 2.Se3#
- 1...d3!
- 1...c5
- 1.Bh4?
- Keys
- 1.Qa5!
- 1...Sxg7
- 2.Rxd4#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...Se3
- 2.Rxd4#
- 1...Sg3
- 2.Rxd4#
- 1...Sh4
- 2.Rxd4#
- 1...Sh6
- 2.Rxd4#
- 1...Se7
- 2.Rxd4#
- 1...d3
- 2.Sc3#
- 1...Sxg7
- 1.Qa5!
This is a version
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD,XP(H)::S(F)
- P(g);::P=Q
- Tries
- Try
- B(G);
- Threat
- S(E)
- Vars
- P(g);::P=Q
- Refutation
- P(e);
- Try
- B(G);
- Threat
- S(E)
- Refutation
- P(e);
- Try
- B(G);
- Threat
- S(E)
- Vars
- P(g);::P=Q
- Refutation
- P(e);
- Try
- B(G);
- Threat
- S(E)
- Vars
- P(g);::P=Q
- Refutation
- P(e);
- Try
- B(G);
- Threat
- S(E)
- Vars
- P(g);::P=Q
- Refutation
- P(e);
- Try
- Q(A);N_PINP(a),P_PINS(d)
- Vars
- P(g);N_SPINS(d)::P=Q
- S(b);N_GUARD::R1(D),XP(a)
- P(a);N_GUARD::S(F)
- Refutation
- P(e);
- Try
- Q(A);
- Vars
- S(d);N_GUARD,XP(H)::S(F)
- P(g);::P=Q
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
- Refutation
- P(e);
- Try
- P(H);
- Vars
- P(e);OGATEB::QAB(H)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
- Refutation
- P(a);
- Try
- Actual
- Q(A);N_PINP(a),P_PINS(b)
- Vars
- S(d);N_GUARD,XP(H)::R1(D),XP(a)
- P(e);N_SPINS(b),OGATEB::QAB(A)
- P(g);::P=Q
- S(d);N_GUARD::R1(D),XP(a)
- P(a);N_GUARD::S(E)
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