MESON Chess Problem Database
Problem Display
PID: 18498 (3K2R1/1p1P2P1/5k1r/4p2p/6pP/p1R4p/BB4P1/1Q6 w - - 0 1)
Hermanson, Halvar
1st Comm., Die Schwalbe, 1956
#2
10 + 8
| 5862 | An ABC of Chess Problems | 1970 |
SOLUTION
- SOUND
- Sets
- 1...Rg6
- 2.Qf1#
- 1...Rh8
- 2.gxh8Q#
- 2.gxh8B#
- 1...g3
- 2.Rf3#
- 1...b5
- 2.Rc6#
- 1...b6
- 2.Rc6#
- 1...Rg6
- Tries
- 1.Kc7?
- threat
- 2.d8Q#
- 2.d8B#
- 1...Ke7
- 2.d8Q#
- 2.d8B#
- 1...axb2
- 2.d8Q#
- 2.d8B#
- 1...hxg2
- 2.d8Q#
- 2.d8B#
- 1...Rg6
- 2.d8Q#
- 2.d8B#
- 1...Rh7
- 2.d8Q#
- 2.d8B#
- 1...Rh8
- 2.d8Q#
- 2.d8B#
- 1...h2
- 2.d8Q#
- 2.d8B#
- 1...g3
- 2.d8Q#
- 2.d8B#
- 1...b5
- 2.d8Q#
- 2.d8B#
- 1...b6
- 2.d8Q#
- 2.d8B#
- 1...e4!
- threat
- 1.Kc8?
- threat
- 2.d8Q#
- 2.d8B#
- 1...Ke7
- 2.d8Q#
- 1...axb2
- 2.d8Q#
- 2.d8B#
- 1...hxg2
- 2.d8Q#
- 2.d8B#
- 1...Rg6
- 2.d8Q#
- 2.d8B#
- 1...Rh7
- 2.d8Q#
- 2.d8B#
- 1...Rh8
- 2.d8Q#
- 2.d8B#
- 1...h2
- 2.d8Q#
- 2.d8B#
- 1...g3
- 2.d8Q#
- 2.d8B#
- 1...b5
- 2.d8Q#
- 2.d8B#
- 1...b6
- 2.d8Q#
- 2.d8B#
- 1...e4!
- threat
- 1.Ke8?
- threat
- 2.d8Q#
- 2.d8B#
- 1...axb2
- 2.d8Q#
- 2.d8B#
- 1...hxg2
- 2.d8Q#
- 2.d8B#
- 1...Rg6
- 2.Qf1#
- 2.d8Q#
- 2.d8B#
- 1...Rh7
- 2.d8Q#
- 2.d8B#
- 1...Rh8
- 2.d8Q#
- 2.d8B#
- 2.gxh8Q#
- 2.gxh8B#
- 1...h2
- 2.d8Q#
- 2.d8B#
- 1...g3
- 2.Rf3#
- 2.d8Q#
- 2.d8B#
- 1...b5
- 2.Rc6#
- 2.d8Q#
- 2.d8B#
- 1...b6
- 2.Rc6#
- 2.d8Q#
- 2.d8B#
- 1...e4!
- threat
- 1.Rc2?
- threat
- 2.Rf2#
- 1...Kf5
- 2.Rf2#
- 1...Kg6
- 2.Rc6#
- 1...g3!
- threat
- 1.Rb3?
- threat
- 2.Rb6#
- 1...Ke6
- 2.Rb6#
- 1...Kf7
- 2.Rf3#
- 1...b6
- 2.Rxb6#
- 1...b5!
- threat
- 1.Rc4?
- threat
- 2.Rf4#
- 1...Ke6
- 2.Rc6#
- 1...Kf7
- 2.Rf4#
- 1...axb2!
- threat
- 1.Qh7?
- threat
- 2.Rf8#
- 1...e4
- 2.Rxa3#
- 2.Rf3#
- 2.Rc6#
- 1...Rxh7!
- threat
- 1.Kc7?
- Keys
- 1.Rd3!
- threat
- 2.Rd6#
- 1...Kf5
- 2.Rf3#
- 1...Kg6
- 2.Rd6#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(g);SBLOCK::QAR(A)
- R(g);OGATE,P_PINR(J)::PXR(g)=Q
- P(c);N_GUARD::R(E)
- P(h);N_GUARD::R(E)
- Tries
- Try
- K(I);S_FLIGHT
- Threat
- P=Q
- Vars
- K(f);S_FLIGHT::P=Q
- P(a);XB(C)::P=Q
- P(b);XP(D)::P=Q
- R(g);::P=Q
- P(b);::P=Q
- P(c);::P=Q
- P(h);::P=Q
- Refutation
- P(d);
- Try
- K(I);P-FLIGHT
- Threat
- P=Q
- Vars
- K(f);S_FLIGHT::P=Q
- P(a);XB(C)::P=Q
- P(b);XP(D)::P=Q
- R(g);::P=Q
- R(g);P_PINR(J)::P=Q
- P(b);::P=Q
- P(c);::P=Q
- P(h);::P=Q
- Refutation
- P(d);
- Try
- K(I);P-FLIGHT
- Threat
- P=Q
- Vars
- P(a);XB(C)::P=Q
- P(b);XP(D)::P=Q
- R(g);::P=Q
- P(b);::P=Q
- Refutation
- P(d);
- Try
- R(E);P_PINP(d)
- Threat
- R(E)
- Vars
- K(f);N_SPINP(d),P-FLIGHT::QAB(A)+R(E),DCHECK
- Refutation
- P(c);
- Try
- R(E);P_PINP(d)
- Threat
- R(E)
- Vars
- K(f);N_SPINP(d),P-FLIGHT::B(B)+R(E),DCHECK
- P(h);::R(E),XP(h)
- Refutation
- P(h);
- Try
- R(E);P_PINP(d)
- Threat
- R(E)
- Vars
- K(f);N_SPINP(d),P-FLIGHT::B(B)+R(E),DCHECK
- Refutation
- P(a);N_SPINP(d),XB(C)
- Try
- Q(A);
- Threat
- R(J)
- Refutation
- R(g);XQ(A)
- Try
- Actual
- R(E);P_PINP(d)
- Threat
- R(E)
- Vars
- K(f);N_SPINP(d),P-FLIGHT::QAB(A)+R(E),DCHECK
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