MESON Chess Problem Database
Problem Display
PID: 225167 (8/5p2/4NP2/4KP1p/R5bk/5P1N/6PP/8 w - - 0 1)
Hermanson, Halvar
US Problem Bulletin, 1966
#2
9 + 4
SOLUTION
- SOUND
- Tries
- 1.Ke4?
- 1...Bxf3+
- 2.Kxf3#
- 1...Bxf5+
- 2.Kxf5#
- 1...Bxh3
- 2.g3#
- 1...fxe6!
- 1...Bxf3+
- 1.Kf4?
- 1...Bxf3
- 2.Kxf3#
- 1...Bxh3
- 2.g3#
- 1...Bxf5
- 2.Kxf5#
- 1...fxe6!
- 1...Bxf3
- 1.Shf4?
- threat
- 2.g3#
- 1...Bxf3
- 2.Sg6#
- 1...fxe6!
- threat
- 1.Sd4?
- 1...Bxf3
- 2.Sxf3#
- 1...Bxf5
- 2.Sxf5#
- 1...Bxh3!
- 1...Bxf3
- 1.Ke4?
- Keys
- 1.Sef4!
- threat
- 2.g3#
- 1...Bxf3
- 2.Sg6#
- 1...Bxh3
- 2.Sxh3#
- threat
- 1.Sef4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(F);N_PINB(a),P-FLIGHT
- Vars
- B(a);CHECK,XP(C)::R(E)+K(F),XB(a)
- B(a);CHECK,XP(G)::R(E)+K(F),XB(a)
- B(a);SBLOCK,XS(D)::P(A)
- Refutation
- P(d);XS(H)
- Try
- K(F);N_PINB(a),S_FLIGHT
- Vars
- B(a);XP(C)::R(E)+K(F),XB(a)
- B(a);SBLOCK,XS(D)::P(A)
- B(a);XP(G)::R(E)+K(F),XB(a)
- Refutation
- P(d);XS(H)
- Try
- S(D);N_PINB(a)
- Threat
- P(A)
- Vars
- B(a);XP(C)::R(E)+S(D),DCHECK
- Refutation
- P(d);XS(H)
- Try
- S(H);N_PINB(a)
- Vars
- B(a);XP(C)::R(E)+S(H),DCHECK,XB(a)
- B(a);XP(G)::R(E)+S(H),DCHECK,XB(a)
- Refutation
- B(a);XS(D)
- Try
- Actual
- S(H);N_PINB(a)
- Threat
- P(A)
- Vars
- B(a);XP(C)::R(E)+S(H),DCHECK
- B(a);XS(D)::R(E)+S(H),XB(a)
Developed and maintained by Brian Stephenson.
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