MESON Chess Problem Database
Problem Display
PID: 64642 (1b6/4Q2p/3PN3/1P1k1P1K/1PnBp2R/pB1p1R2/2r5/q7 w - - 0 1)
Syzonenko, Viktor N
2nd Prize, Sachove umeni (Ceskoslovensky sach), 1982
#2
11 + 9
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Sf4#
- 1...Bxd6
- 2.Qb7#
- 1...Qxd4
- Tries
- 1.Sg5?
- threat
- 2.Qe5#
- 1...Qxd4
- 2.Qe6#
- 1...Bxd6
- 2.Qxe4#
- 1...Kxd4!
- threat
- 1.Sc7+?
- 1...Bxc7
- 2.Qe5#
- 1...Kxd4!
- 1...Bxc7
- 1.Sg7?
- threat
- 2.Qe5#
- 1...Qxd4
- 2.Qe6#
- 1...Bxd6
- 2.Qxe4#
- 1...Kxd4!
- threat
- 1.Sd8?
- threat
- 2.Qe5#
- 1...Qxd4
- 2.Qe6#
- 1...Bxd6
- 2.Qxe4#
- 1...Kxd4!
- threat
- 1.Sf8?
- threat
- 2.Qe5#
- 1...Qxd4
- 2.Qe6#
- 1...Bxd6
- 2.Qxe4#
- 1...Kxd4!
- threat
- 1.Bc5?
- threat
- 2.Sf4#
- 1...Ke5
- 2.Sc7#
- 1...Bxd6
- 2.Qxd6#
- 1...Qe5
- 2.Qb7#
- 1...Qc1!
- threat
- 1.Qf6?
- threat
- 2.Sf4#
- 2.Qe5#
- 1...Kxd6
- 2.Qd8#
- 1...Qxd4
- 2.Sf4#
- 2.Qxd4#
- 1...exf3
- 2.Qe5#
- 1...Qc1
- 2.Qe5#
- 1...e3
- 2.Qe5#
- 1...Bxd6!
- threat
- 1.Qg7?
- threat
- 2.Qe5#
- 1...Qxd4
- 2.Qxd4#
- 1...Bxd6
- 2.Qb7#
- 1...Kxd6!
- threat
- 1.Qe8?
- threat
- 2.Qc6#
- 1...Kxd6
- 2.Qd8#
- 1...Qxd4!
- threat
- 1.Sg5?
- Keys
- 1.Sc5!
- threat
- 2.Qe5#
- 1...Kxd4
- 2.Rxd3#
- 1...Qxd4
- 2.Qe6#
- 1...Bxd6
- 2.Qxe4#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(a);SBLOCK,XB(D)::S(J)
- B(i);SBLOCK,XP(I)::QAB(K)
- Tries
- Try
- S(J);
- Threat
- QAR1(K)
- Vars
- Q(a);SBLOCK,XB(D)::QAB1(K)
- B(i);SBLOCK,XP(I)::QAB1(K),XP(f)
- Refutation
- K(g);N_SPINS(e),P-FLIGHT,P_SPINP(f),XB(D)
- Try
- S(J);CHECK
- Vars
- B(i);XS(J)::QAR1(K)
- Refutation
- K(g);N_SPINS(e),P-FLIGHT,P_SPINP(f),XB(D)
- Try
- S(J);
- Threat
- QAR1(K)
- Vars
- Q(a);SBLOCK,XB(D)::QAB1(K)
- B(i);SBLOCK,XP(I)::QAB1(K),XP(f)
- Refutation
- K(g);N_SPINS(e),P-FLIGHT,P_SPINP(f),XB(D)
- Try
- S(J);
- Threat
- QAR1(K)
- Vars
- Q(a);SBLOCK,XB(D)::QAB1(K)
- B(i);SBLOCK,XP(I)::QAB1(K),XP(f)
- Refutation
- K(g);N_SPINS(e),P-FLIGHT,P_SPINP(f),XB(D)
- Try
- S(J);
- Threat
- QAR1(K)
- Vars
- Q(a);SBLOCK,XB(D)::QAB1(K)
- B(i);SBLOCK,XP(I)::QAB1(K),XP(f)
- Refutation
- K(g);N_SPINS(e),P-FLIGHT,P_SPINP(f),XB(D)
- Try
- B(D);
- Threat
- S(J)
- Vars
- K(g);N_SPINS(e),P-FLIGHT::QAR(K)+S(J)
- B(i);OGATE,XP(I)::QAR1(K),XB(i)
- Q(a);P_PINP(G),SBLOCK::QAB(K)
- Refutation
- Q(a);
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- K(g);N_SPINS(e),OGATEB,P-FLIGHT,XP(I)::QAR2(K)
- P(f);XR(B)::QAR1(K)
- Q(a);::QAR1(K)
- P(f);::QAR1(K)
- Refutation
- B(i);XP(I)
- Try
- Q(K);
- Threat
- QAR1(K)
- Vars
- Q(a);OGATE,XB(D)::QAR1(K),XQ(a)
- B(i);SBLOCK,XP(I)::QAB(K)
- Refutation
- K(g);N_SPINS(e),P-FLIGHT,XP(I)
- Try
- Q(K);
- Threat
- QAB1(K)
- Vars
- K(g);N_SPINS(e),OGATEB,P-FLIGHT,XP(I)::QAR2(K)
- Refutation
- Q(a);XB(D)
- Try
- Actual
- S(J);
- Threat
- QAR1(K)
- Vars
- K(g);N_SPINS(e),OGATEB,P-FLIGHT,P_SPINP(f),XB(D)::R1(B),XP(d)
- Q(a);SBLOCK,XB(D)::QAB1(K)
- B(i);SBLOCK,XP(I)::QAB1(K),XP(f)
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