MESON Chess Problem Database
Problem Display
PID: 80537 (5R2/4Bq2/2PpB1b1/1R1N2p1/3Pk3/N1p2p2/K6n/3Q2b1 w - - 0 1)
Kovalic, Jan
4th Prize, Hlas l'udu, 1981
#2
10 + 9
| 6424 | Czech Album (1979-1981) | 1986 |
SOLUTION
- SOUND
- Tries
- 1.Sb1?
- threat
- 2.Sbxc3#
- 1...c2
- 2.Sbc3#
- 1...Bxd4!
- threat
- 1.Bxg5?
- threat
- 2.Sxc3#
- 1...Qxe6
- 2.Rf4#
- 1...Qf4
- 2.Rxf4#
- 1...c2
- 2.Sc3#
- 1...Bxd4!
- threat
- 1.Bf6?
- threat
- 2.Qc2#
- 1...c2
- 2.Qxc2#
- 1...f2
- 2.Qe2#
- 1...Qxf6!
- threat
- 1.Rb4?
- threat
- 2.Qc2#
- 1...Bxd4
- 2.Qxd4#
- 1...c2
- 2.Qxc2#
- 1...f2
- 2.Qe2#
- 1...Qxe6!
- threat
- 1.Sb1?
- Keys
- 1.Sc4!
- threat
- 2.Sxd6#
- 1...Qxe6
- 2.Sxc3#
- 1...Qxe7
- 2.Sxc3#
- 1...Bxd4
- 2.Qc2#
- 1...Qf4
- 2.Sxc3#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);
- Threat
- S(C),XP(c)
- Vars
- P(c);::S(C)
- Refutation
- B(a);XP(D)
- Try
- B(I);XP(f)
- Threat
- S(F),XP(c)
- Vars
- Q(i);OGATE,P_PINS(F),XB(H)::R1(J)
- Q(i);OGATE::R1(J),XQ(i)
- P(c);::S(F)
- Refutation
- B(a);XP(D)
- Try
- B(I);
- Threat
- QAB(A)
- Vars
- P(c);::QAB(A),XP(c)
- P(d);N_GUARD,S_CUTB(a)::QAR2(A)
- Refutation
- Q(i);XB(I)
- Try
- R(E);
- Threat
- QAB(A)
- Vars
- B(a);OGATE,P_SPINB(a),XP(D)::QAR1(A),XB(a)
- P(c);::QAB(A),XP(c)
- P(d);N_GUARD,S_CUTB(a)::QAR2(A)
- Refutation
- Q(i);P_PINS(F),XB(H)
- Try
- Actual
- S(C);
- Threat
- S(C),XP(g)
- Vars
- Q(i);XB(H)::S(F),XP(c)
- Q(i);XB(I)::S(F),XP(c)
- B(a);SBLOCK,XP(D)::QAB(A)
- Q(i);::S(F),XP(c)
Developed and maintained by Brian Stephenson.
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