MESON Chess Problem Database
Problem Display
PID: 16593 (8/8/1K2n2R/3pk3/1Q6/4NP2/3P4/8 w - - 0 1)
Karpati, Aurel M
Klein, Gyorgy
5th Prize, Raketa Meredith Ty., 1941-1943
#2
6 + 3
| 145 | StrateGems | 2007 |
| 56 | The Problemist | 2007 |
| 5454 | Near Snap | 2009 |
| 56 | The Problemist | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Sd4
- 2.Qd6#
- 1...Sf4
- 2.d4#
- 1...Sc5
- 2.f4#
- 1...Sg5
- 2.f4#
- 1...Sc7
- 2.f4#
- 1...Sg7
- 2.f4#
- 1...Sd8
- 2.f4#
- 1...Sf8
- 2.f4#
- 1...Sd4
- Tries
- 1.Ka5?
- 1...Sd4
- 2.Qd6#
- 2.Qb8#
- 1...Sf4
- 2.d4#
- 1...Sc5
- 2.f4#
- 1...Sg5
- 2.f4#
- 1...Sc7
- 2.f4#
- 1...Sg7
- 2.f4#
- 1...Sd8
- 2.f4#
- 1...Sf8
- 2.f4#
- 1...d4!
- 1...Sd4
- 1.Ka7?
- 1...Sd4
- 2.Qd6#
- 2.Qb8#
- 1...Sf4
- 2.d4#
- 1...Sc5
- 2.f4#
- 1...Sg5
- 2.f4#
- 1...Sc7
- 2.f4#
- 1...Sg7
- 2.f4#
- 1...Sd8
- 2.f4#
- 1...Sf8
- 2.f4#
- 1...d4!
- 1...Sd4
- 1.Rf6?
- threat
- 2.Sg4#
- 2.Rf5#
- 1...Sd4
- 2.Sg4#
- 2.Qd6#
- 1...Sf4
- 2.Sg4#
- 2.Qxf4#
- 1...Sc5
- 2.Sg4#
- 2.Qf4#
- 1...Sg5
- 2.Sg4#
- 2.Qf4#
- 1...Sc7
- 2.Sg4#
- 2.Qf4#
- 1...Sg7
- 2.Sg4#
- 2.Qf4#
- 1...Sd8
- 2.Sg4#
- 2.Qf4#
- 1...Sf8
- 2.Sg4#
- 2.Qf4#
- 1...d4
- 2.Rf5#
- 1...Kxf6!
- threat
- 1.Rg6?
- 1...Sd4
- 2.Qd6#
- 1...Sf4
- 2.d4#
- 1...Sc5
- 2.f4#
- 1...Sg5
- 2.f4#
- 1...Sc7
- 2.f4#
- 1...Sg7
- 2.f4#
- 1...Sd8
- 2.f4#
- 1...Sf8
- 2.f4#
- 1...d4!
- 1...Sd4
- 1.Qd6+?
- 1...Kd4
- 2.Qxd5#
- 1...Kxd6!
- 1...Kd4
- 1.Qe4+?
- 1...Kd6
- 2.Qxe6#
- 1...dxe4!
- 1...Kd6
- 1.d3?
- 1...Sd4
- 2.Qd6#
- 1...Sf4
- 2.d4#
- 1...Sc5
- 2.f4#
- 1...Sg5
- 2.f4#
- 1...Sc7
- 2.f4#
- 1...Sg7
- 2.f4#
- 1...Sd8
- 2.f4#
- 1...Sf8
- 2.f4#
- 1...d4!
- 1...Sd4
- 1.d4+?
- 1...Sxd4
- 2.Qd6#
- 1...Kf4!
- 1...Sxd4
- 1.Ka5?
- Keys
- 1.Qg4!
- threat
- 2.Rxe6#
- 1...Kd6
- 2.Qxe6#
- 1...Sd4
- 2.Qg3#
- 1...Sf4
- 2.Qg7#
- 1...Sc5
- 2.d4#
- 1...Sg5
- 2.d4#
- 1...Sc7
- 2.d4#
- 1...Sg7
- 2.d4#
- 1...Sd8
- 2.d4#
- 1...Sf8
- 2.d4#
- threat
- 1.Qg4!
This anticipates 84168(1981)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);SBLOCK::QAB1(D)
- S(c);N_GUARD,SBLOCK::P(A)
- S(c);N_GUARD::P(C)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- S(c);N_GUARD,SBLOCK::P(A)
- S(c);N_GUARD::P(C)
- Refutation
- P(a);
- Try
- K(E);S_FLIGHT
- Vars
- S(c);N_GUARD,SBLOCK::P(A)
- S(c);N_GUARD::P(C)
- Refutation
- P(a);
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- P(a);::R1(F)
- Refutation
- K(b);S_FLIGHT,XR(F)
- Try
- R(F);
- Vars
- S(c);SBLOCK::QAB1(D)
- S(c);N_GUARD,SBLOCK::P(A)
- S(c);N_GUARD::P(C)
- Refutation
- P(a);
- Try
- Q(D);CHECK
- Vars
- K(b);P_SPINP(a),S_FLIGHT::QAR1(D),XP(a)
- Refutation
- K(b);P_SPINS(c),S_FLIGHT,XQ(D)
- Try
- Q(D);CHECK
- Vars
- K(b);OGATE,P_SPINS(c),S_FLIGHT::QAR1(D),XS(c)
- Refutation
- P(a);XQ(D)
- Try
- P(A);
- Vars
- S(c);SBLOCK::QAB1(D)
- S(c);N_GUARD,SBLOCK::P(A)
- S(c);N_GUARD::P(C)
- Refutation
- P(a);
- Try
- P(A);CHECK
- Vars
- S(c);SBLOCK,XP(A)::QAB1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- Q(D);
- Threat
- R1(F),XS(c)
- Vars
- K(b);P_SPINS(c),S_FLIGHT::QAR1(D),XS(c)
- S(c);N_GUARD,SBLOCK::QAB(D)
- S(c);N_GUARD::P(A)
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