MESON Chess Problem Database
Problem Display
PID: 180068 (8/1bpQ3p/p6p/3Pp2r/4kP2/2KR3P/3B3n/3B4 w - - 0 1)
Kirillov, V?
Udartsev, Valentin Filipovich
Variantim, 1993
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxh3
- 2.Qxh7#
- 1...Rh4
- 2.Qxh7#
- 1...Rf5
- 2.Qa4#
- 1...Sf1
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sg4
- 2.Bf3#
- 1...Rxh3
- Tries
- 1.Bxh5?
- threat
- 2.Qxh7#
- 1...exf4
- 2.Qe6#
- 1...Bc8!
- threat
- 1.Qe6?
- threat
- 2.Rd4#
- 1...Rxh3
- 2.Qxe5#
- 1...Sf3
- 2.Bxf3#
- 1...c5!
- threat
- 1.Qf7?
- threat
- 2.Re3#
- 1...Rxh3
- 2.Qxh7#
- 1...exf4
- 2.Qxf4#
- 1...Sf1
- 2.Bf3#
- 1...Sg4
- 2.Bf3#
- 1...Rf5!
- threat
- 1.Bxh5?
- Keys
- 1.Bc2!
- threat
- 2.Rg3#
- 1...exf4
- 2.Re3#
- 1...Sf3
- 2.Rd4#
- threat
- 1.Bc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(d);N_GUARD,P_PINR(D),XP(E)::QAB(H),XP(i)
- R(d);N_GUARD::QAB(H),XP(i)
- R(d);SBLOCK::QAR(H)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- Tries
- Try
- B(A);XR(d)
- Threat
- QAB(H),XP(i)
- Vars
- P(c);OGATEB,XP(F)::QAR2(H)
- Refutation
- B(g);
- Try
- Q(H);P_PINP(c)
- Threat
- R1(D)
- Vars
- R(d);N_GUARD,P_PINR(D),XP(E)::QAR1(H),XP(c)
- S(a);N_GUARD::B(A),XS(a)
- Refutation
- P(h);
- Try
- Q(H);
- Threat
- R1(D)
- Vars
- R(d);N_GUARD,P_PINR(D),XP(E)::QAB(H),XP(i)
- P(c);OGATE,XP(F)::QAR1(H),XP(c)
- S(a);N_GUARD::B(A)
- Refutation
- R(d);
- Try
- Actual
- B(A);
- Threat
- B(A)+R(D)
- Vars
- P(c);SBLOCK,XP(F)::B(A)+R(D),DCHECK
- S(a);SBLOCK::B(A)+R(D),DCHECK
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