MESON Chess Problem Database
Problem Display
PID: 64282 (2R5/3NB3/KQpr2nq/3k1P2/2Np4/b2P4/8/8 w - - 0 1)
Chernyavsky, Mykola Vasilovich
Shedey, Sergey Oleksandrovich
3rd Place, USSR Championship, 1982
#2
8 + 7
| 3752 | FIDE Album (1980-1982) | 1988 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Sxf6#
- 1...Rxd7
- 2.Qxc6#
- 1...Bc1
- 2.Qc5#
- 1...Bb2
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...c5
- 2.Qxd6#
- 1...Rf6
- Tries
- 1.Sxa3?
- threat
- 2.Qc5#
- 2.Qb3#
- 1...Rxd7
- 2.Qc5#
- 1...Se5
- 2.Qc5#
- 1...c5
- 2.Rxc5#
- 2.Qxd6#
- 1...Qc1!
- threat
- 1.Se3+?
- 1...Qxe3
- 2.Qb3#
- 1...dxe3!
- 1...Qxe3
- 1.Qa5+?
- 1...Bc5
- 2.Scb6#
- 2.Sdb6#
- 2.Qxc5#
- 1...c5+!
- 1...Bc5
- 1.Qc7?
- threat
- 2.Scb6#
- 1...c5+
- 2.Qxd6#
- 1...Bc5!
- threat
- 1.Qb2?
- threat
- 2.Scb6#
- 2.Qg2#
- 1...Rxd7
- 2.Qg2#
- 1...Bxb2
- 2.Scb6#
- 1...Qd2
- 2.Scb6#
- 1...Qe3
- 2.Scb6#
- 1...Qf4
- 2.Scb6#
- 1...Qg5
- 2.Scb6#
- 1...Qh1
- 2.Scb6#
- 1...Qh2
- 2.Scb6#
- 1...Qh3
- 2.Scb6#
- 1...Qh4
- 2.Scb6#
- 1...Qh5
- 2.Scb6#
- 1...Re6
- 2.Scb6#
- 2.Sdb6#
- 1...Bc5
- 2.Qg2#
- 1...Sf4
- 2.Scb6#
- 1...Sh4
- 2.Scb6#
- 1...Se5
- 2.Scb6#
- 1...c5+!
- threat
- 1.Qb3?
- threat
- 2.Sb2#
- 2.Sd2#
- 2.Sxa3#
- 2.Se3#
- 2.Sa5#
- 2.Sce5#
- 2.Scb6#
- 2.Sxd6#
- 1...c5+
- 2.Scb6#
- 1...Sxe7
- 2.Sb2#
- 2.Sd2#
- 2.Sxa3#
- 2.Se3#
- 2.Sa5#
- 2.Sce5#
- 2.Scb6#
- 1...Qc1
- 2.Se3#
- 2.Scb6#
- 1...Qd2
- 2.Sb2#
- 2.Sxd2#
- 2.Sxa3#
- 2.Se3#
- 2.Sa5#
- 2.Sce5#
- 2.Scb6#
- 2.Sxd6#
- 1...Qe3
- 2.Sb2#
- 2.Sd2#
- 2.Sxa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sce5#
- 2.Scb6#
- 2.Sxd6#
- 1...Re6
- 2.Sb2#
- 2.Sd2#
- 2.Sxa3#
- 2.Se3#
- 2.Sa5#
- 2.Sce5#
- 2.Scb6#
- 2.Sd6#
- 2.Sdb6#
- 1...Rf6
- 2.Sb2#
- 2.Sd2#
- 2.Sxa3#
- 2.Se3#
- 2.Sa5#
- 2.Sce5#
- 2.Scb6#
- 2.Sd6#
- 2.Sdb6#
- 2.Sxf6#
- 1...Bc1
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sce5#
- 2.Scb6#
- 2.Sxd6#
- 1...Bb2
- 2.Sxb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sce5#
- 2.Scb6#
- 2.Sxd6#
- 1...Bb4
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sce5#
- 2.Scb6#
- 2.Sxd6#
- 1...Bc5
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sce5#
- 2.Scb6#
- 2.Sxd6#
- 1...Se5
- 2.Se3#
- 2.Scxe5#
- 2.Scb6#
- 1...Rxd7!
- threat
- 1.Qb7?
- threat
- 2.Scb6#
- 1...Rxd7
- 2.Qxc6#
- 1...Bc5!
- threat
- 1.Qb8?
- threat
- 2.Scb6#
- 1...c5+
- 2.Qxd6#
- 1...Bc5!
- threat
- 1.Sxa3?
- Keys
- 1.Qd8!
- threat
- 2.Scb6#
- 1...c5+
- 2.Sdb6#
- 1...Rxd7
- 2.Qg8#
- 1...Bc5
- 2.Sf6#
- threat
- 1.Qd8!
Anticipated by 231320(1927)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(e);N_GUARD::S(F),XR(e)
- R(e);N_GUARD,XS(F)::QAB1(E),XP(d)
- B(a);N_GUARD::QAR1(E)
- B(a);N_GUARD::QAR1(E),XB(a)
- P(d);OGATE,P_PINQ(E)::QAR1(E),XR(e)
- Tries
- Try
- S(B);XB(a)
- Threat
- DUALS(2)
- Vars
- R(e);XS(F)::QAR1(E)
- S(f);::QAR1(E)
- Refutation
- Q(g);
- Try
- S(B);CHECK
- Vars
- Q(g);XS(B)::QAB(E)
- Refutation
- P(b);XS(B)
- Try
- Q(E);CHECK
- Refutation
- P(d);CHECK,P_SPINP(d)
- Try
- Q(E);
- Threat
- S(B)
- Vars
- P(d);CHECK,S_CUTB(a)::QAR1(E),XR(e)
- Refutation
- B(a);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(e);XS(F)::QAB(E)
- B(a);XQ(E)::S(B)
- Q(g);::S(B)
- B(a);::QAB(E)
- S(f);::S(B)
- Refutation
- P(d);CHECK
- Try
- Q(E);
- Threat
- DUALS(8)
- Vars
- P(d);CHECK::QAB(E)+S(B),DCHECK
- Refutation
- R(e);XS(F)
- Try
- Q(E);P_PINP(d)
- Threat
- S(B)
- Vars
- R(e);N_GUARD,XS(F)::QAB1(E),XP(d)
- Refutation
- B(a);
- Try
- Q(E);
- Threat
- S(B)
- Vars
- P(d);CHECK,S_CUTB(a)::QAR1(E),XR(e)
- Refutation
- B(a);
- Try
- Actual
- Q(E);
- Threat
- S(B)
- Vars
- P(d);CHECK::S(F)
- R(e);N_GUARD,P_SPINR(e),XS(F)::QAB(E)
- B(a);SBLOCK::S(F)
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