MESON Chess Problem Database
Problem Display
PID: 74899 (3Q4/Bp1pR3/3p1r2/4b3/1N1pkpBN/2rpnp2/2P5/4R1nK w - - 0 1)
Golha, Jan
Pravda, 1976
#2
9 + 13
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.cxd3#
- 1...Rc5
- 2.cxd3#
- 1...Rc6
- 2.cxd3#
- 1...Rc7
- 2.cxd3#
- 1...Rc8
- 2.cxd3#
- 1...Rf5
- 2.Bxf5#
- 1...Re6
- 2.Bf5#
- 1...Rg6
- 2.Bf5#
- 1...Rh6
- 2.Bf5#
- 1...Se2
- 2.Bxf3#
- 1...Sh3
- 2.Bxf3#
- 1...Rc4
- Tries
- 1.Qa5?
- threat
- 2.Qd5#
- 1...Rc5
- 2.cxd3#
- 1...Se2
- 2.Bxf3#
- 1...d5
- 2.Qxd5#
- 1...b5!
- threat
- 1.Qg8?
- threat
- 2.Qd5#
- 1...Rc5
- 2.cxd3#
- 1...Re6
- 2.Bf5#
- 1...Se2
- 2.Bxf3#
- 1...d5
- 2.Qxd5#
- 1...Rf7!
- threat
- 1.Qa5?
- Keys
- 1.Qb6!
- threat
- 2.Qxd4#
- 1...Rc4
- 2.cxd3#
- 1...Rc5
- 2.cxd3#
- 1...Re6
- 2.Bf5#
- 1...Se2
- 2.Bxf3#
- threat
- 1.Qb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(b);N_GUARD::P(C),XP(c)
- R(k);N_GUARD::B(E),XR(k)
- R(k);N_GUARD,N_SPINB(i)::B(E)
- R(k);N_GUARD::B(E)
- R(k);N_GUARD,P_PINS(F)::B(E)
- S(a);N_GUARD,N_SPINS(d)::B(E),XP(e)
- S(a);N_GUARD::B(E),XP(e)
- Tries
- Try
- Q(I);
- Threat
- QAB1(I)
- Vars
- R(b);N_GUARD::P(C),XP(c)
- S(a);N_GUARD,N_SPINS(d)::B(E),XP(e)
- P(j);::QAB1(I),XP(j)
- Refutation
- P(l);
- Try
- Q(I);
- Threat
- QAB1(I)
- Vars
- R(b);N_GUARD::P(C),XP(c)
- R(k);N_GUARD,N_SPINB(i)::B(E)
- S(a);N_GUARD,N_SPINS(d)::B(E),XP(e)
- P(j);::QAB1(I),XP(j)
- Refutation
- R(k);
- Try
- Actual
- Q(I);
- Threat
- QAR1(I),XP(f)
- Vars
- R(b);N_GUARD::P(C),XP(c)
- R(k);N_GUARD,N_SPINB(i)::B(E)
- S(a);N_GUARD,N_SPINS(d)::B(E),XP(e)
Developed and maintained by Brian Stephenson.
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