MESON Chess Problem Database
Problem Display
PID: 102440 (8/3Q4/3pp3/2pPN3/2Nk2p1/3B2K1/3P4/8 w - - 0 1)
Neukomm, Gyula (Julius) R
L'Echiquier, 1925
#2
7 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Qxd6#
- 1...dxe5
- 2.dxe6#
- 1...exd5
- 2.Qxg4#
- 1...Kxd5
- Tries
- 1.Kf2?
- 1...Kxd5
- 2.Qxd6#
- 1...dxe5
- 2.dxe6#
- 1...exd5
- 2.Qxg4#
- 1...g3+!
- 1...Kxd5
- 1.Kg2?
- 1...Kxd5
- 2.Qxd6#
- 1...dxe5
- 2.dxe6#
- 1...exd5
- 2.Qxg4#
- 1...g3!
- 1...Kxd5
- 1.Kh2?
- 1...Kxd5
- 2.Qxd6#
- 1...dxe5
- 2.dxe6#
- 1...exd5
- 2.Qxg4#
- 1...g3+!
- 1...Kxd5
- 1.Kxg4?
- 1...Kxd5
- 2.Qxd6#
- 1...dxe5
- 2.dxe6#
- 1...exd5!
- 1...Kxd5
- 1.Kh4?
- 1...Kxd5
- 2.Qxd6#
- 1...dxe5
- 2.dxe6#
- 1...exd5
- 2.Qxg4#
- 1...g3!
- 1...Kxd5
- 1.Sc6+?
- 1...Kxd5
- 2.Se3#
- 2.Sb6#
- 2.Qxd6#
- 1...Kxd3!
- 1...Kxd5
- 1.Bb1?
- 1...Kxd5
- 2.Qxd6#
- 1...exd5
- 2.Qxg4#
- 1...dxe5!
- 1...Kxd5
- 1.Bc2?
- 1...Kxd5
- 2.Qxd6#
- 1...exd5
- 2.Qxg4#
- 1...dxe5!
- 1...Kxd5
- 1.Bg6?
- 1...Kxd5
- 2.Qxd6#
- 1...exd5
- 2.Qxg4#
- 1...dxe5!
- 1...Kxd5
- 1.Bh7?
- 1...Kxd5
- 2.Qxd6#
- 1...exd5
- 2.Qxg4#
- 1...dxe5!
- 1...Kxd5
- 1.Qb7?
- 1...exd5
- 2.Qb2#
- 1...dxe5!
- 1...exd5
- 1.Qd8?
- 1...Kxd5
- 2.Qxd6#
- 1...dxe5
- 2.dxe6#
- 1...exd5!
- 1...Kxd5
- 1.dxe6?
- threat
- 2.Qxd6#
- 1...Kd5
- 2.Qxd6#
- 1...d5!
- threat
- 1.Kf2?
- Keys
- 1.Qh7!
- threat
- 2.Qe4#
- 1...Kxd5
- 2.Qe4#
- 1...exd5
- 2.Sc6#
- threat
- 1.Qh7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(d);XS(F)::QAR(G)+P(E),XP(e)
- P(e);OGATE,SBLOCK,XP(E)::QAR(G),XP(b)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(d);XS(F)::QAR(G)+P(E),XP(e)
- P(e);OGATE,SBLOCK,XP(E)::QAR(G),XP(b)
- Refutation
- P(b);CHECK
- Try
- K(C);P-FLIGHT
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(d);XS(F)::QAR(G)+P(E),XP(e)
- P(e);OGATE,SBLOCK,XP(E)::QAR(G),XP(b)
- Refutation
- P(b);
- Try
- K(C);S_FLIGHT
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(d);XS(F)::QAR(G)+P(E),XP(e)
- P(e);OGATE,SBLOCK,XP(E)::QAR(G),XP(b)
- Refutation
- P(b);CHECK
- Try
- K(C);P-FLIGHT,XP(b)
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(d);XS(F)::QAR(G)+P(E),XP(e)
- Refutation
- P(e);XP(E)
- Try
- K(C);S_FLIGHT
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(d);XS(F)::QAR(G)+P(E),XP(e)
- P(e);OGATE,SBLOCK,XP(E)::QAR(G),XP(b)
- Refutation
- P(b);
- Try
- S(F);CHECK
- Refutation
- K(a);P-FLIGHT,XB(B)
- Try
- B(B);
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(e);OGATE,SBLOCK,XP(E)::QAR(G),XP(b)
- Refutation
- P(d);XS(F)
- Try
- B(B);
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(e);OGATE,SBLOCK,XP(E)::QAR(G),XP(b)
- Refutation
- P(d);XS(F)
- Try
- B(B);
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(e);OGATE,SBLOCK,XP(E)::QAR(G),XP(b)
- Refutation
- P(d);XS(F)
- Try
- B(B);
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(e);OGATE,SBLOCK,XP(E)::QAR(G),XP(b)
- Refutation
- P(d);XS(F)
- Try
- Q(G);
- Vars
- P(e);SBLOCK,XP(E)::QAB(G)
- Refutation
- P(d);XS(F)
- Try
- Q(G);
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINP(d),XP(E)::QAR1(G),XP(d)
- P(d);XS(F)::QAR(G)+P(E),XP(e)
- Refutation
- P(e);XP(E)
- Try
- P(E);P_PINP(d),XP(e)
- Threat
- QAR2(G),XP(d)
- Vars
- K(a);P-FLIGHT::QAR1(G),XP(d)
- Refutation
- P(d);
- Try
- Actual
- Q(G);
- Threat
- QAR1(G)
- Vars
- K(a);P-FLIGHT,XP(E)::QAB1(G)
- P(e);SBLOCK,XP(E)::S(F)
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