MESON Chess Problem Database
Problem Display
PID: 91717 (1qrBr2b/1p1b1N2/2ppkp1p/2P3PB/4N3/1PP2RP1/8/3QK3 w - - 0 1)
Maleika, Gerhard
Probleemblad 149. TT, 1988
#2
12 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa7
- 2.Qxd6#
- 1...Qa8
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...dxc5
- 2.Sxc5#
- 1...fxg5
- 2.Bg4#
- 1...Qa7
- Tries
- 1.Sexd6?
- threat
- 2.Re3#
- 1...Qxd6
- 2.Qxd6#
- 1...fxg5
- 2.Bg4#
- 1...f5!
- threat
- 1.Sxf6?
- threat
- 2.Qe2#
- 1...Bxf6
- 2.Rxf6#
- 1...dxc5
- 2.Qxd7#
- 1...d5!
- threat
- 1.Re3?
- threat
- 2.Sexd6#
- 1...Kf5
- 2.Qg4#
- 1...dxc5
- 2.Sed6#
- 1...f5
- 2.Sf6#
- 1...d5
- 2.Sed6#
- 1...fxg5!
- threat
- 1.Sexd6?
- Keys
- 1.Qe2!
- threat
- 2.Sxf6#
- 1...Kd5
- 2.Qc4#
- 1...dxc5
- 2.Qc4#
- 1...fxg5
- 2.Sf6#
- 1...f5
- 2.Sf6#
- 1...d5
- 2.Sed6#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- Q(h);N_GUARD::QAR1(A),XP(b)
- R(i);S_CUTQ(h)::QAR1(A),XP(b)
- P(b);XP(H)::S(G),XP(b)
- P(d);N_GUARD,XP(I)::B(J)
- Tries
- Try
- S(G);XP(b)
- Threat
- R(E)
- Vars
- Q(h);OGATE,XS(G)::QAR1(A),XQ(h)
- P(d);N_GUARD,XP(I)::B(J)
- Refutation
- P(d);
- Try
- S(G);XP(d)
- Threat
- QAR(A)
- Vars
- B(k);OGATE,XS(G)::R1(E),XB(k)
- P(b);OGATE,XP(H)::QAB1(A),XB(g)
- Refutation
- P(b);
- Try
- R(E);
- Threat
- R(E)+S(G),XP(b)
- Vars
- K(c);S_FLIGHT::QAB1(A)
- P(b);XP(H)::R(E)+S(G)
- P(d);SBLOCK::R(E)+S(G)
- P(b);::R(E)+S(G)
- Refutation
- P(d);XP(I)
- Try
- Actual
- Q(A);
- Threat
- QAR(A)+S(G),XP(d)
- Vars
- K(c);S_FLIGHT::QAB1(A)
- P(b);N_GUARD,XP(H)::QAB(A)
- P(d);XP(I)::QAR(A)+S(G)
- P(d);::QAR(A)+S(G)
- P(b);SBLOCK::QAR(A)+S(G)
Developed and maintained by Brian Stephenson.
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