MESON Chess Problem Database
Problem Display
PID: 42452 (3R2b1/B1K3p1/3N4/2N1P3/3k1P2/1p4qR/3PP1n1/4Q2B w - - 0 1)
Loshinski, Lev Ilich
1st Place, Source?, 1967
#2
12 + 6
| 3772 | FIDE Album (1965-1967) | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Qxe1
- 2.Rd3#
- 1...Qf2
- 2.Rd3#
- 1...Qh2
- 2.Rd3#
- 1...Qh4
- 2.Rd3#
- 1...Qd3
- 2.Rxd3#
- 1...Qg4
- 2.Rd3#
- 1...Qg5
- 2.Rd3#
- 1...Bc4
- 2.Sb5#
- 2.Sf5#
- 1...Bd5
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sce4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 1...Sxe1
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 1...Se3
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 1...Sxf4
- 2.Sd3#
- 2.Sd7#
- 1...Sh4
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 1...Qxe1
- Tries
- 1.Kc6?
- threat
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sce4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 1...Qf3+
- 2.Sce4#
- 1...Qxf4
- 2.Sd3#
- 2.Sd7#
- 1...Sxf4
- 2.Sd3#
- 2.Sd7#
- 1...Qc3
- 2.dxc3#
- 1...Qd3
- 2.Sxb3#
- 2.Sxd3#
- 2.Sa4#
- 2.Sce4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 2.Rxd3#
- 1...Be6
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sce4#
- 2.Sa6#
- 2.Sxe6#
- 2.Scb7#
- 2.Sd7#
- 1...b2
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sce4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 1...Bd5+!
- threat
- 1.Bxg2?
- threat
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 1...Qxf4
- 2.Sd3#
- 2.Sd7#
- 1...Qxg2
- 2.Rd3#
- 1...Qc3
- 2.dxc3#
- 1...Qd3
- 2.Sxb3#
- 2.Sxd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 2.Rxd3#
- 1...Be6
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxe6#
- 2.Scb7#
- 2.Sd7#
- 1...b2
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 1...Qf3!
- threat
- 1.Rxg3?
- threat
- 2.Rd3#
- 1...Kd5
- 2.Rd3#
- 1...Sxe1
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 2.e3#
- 1...Sxf4
- 2.Sd3#
- 2.Sd7#
- 1...Bc4
- 2.Sb5#
- 2.Sf5#
- 1...Se3
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 2.dxe3#
- 1...Bh7!
- threat
- 1.Qf2+?
- 1...Kd5
- 2.e4#
- 1...Qxf2
- 2.Rd3#
- 1...Se3
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 1...Qe3!
- 1...Kd5
- 1.Qxg3?
- threat
- 2.Qd3#
- 1...Kd5
- 2.Qd3#
- 1...Sxf4
- 2.Sd3#
- 2.Sd7#
- 2.Qxf4#
- 2.Qc3#
- 2.Qe3#
- 1...Bc4
- 2.Sb5#
- 2.Sf5#
- 1...Se1
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 2.Qf2#
- 2.Qg1#
- 2.Qc3#
- 2.Qe3#
- 2.e3#
- 1...Se3
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 2.Qxe3#
- 1...Bh7!
- threat
- 1.Qa1+?
- 1...Kd5
- 2.e4#
- 1...Qc3
- 2.Rd3#
- 1...b2!
- 1...Kd5
- 1.Qc1?
- threat
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 1...Kd5
- 2.Sc4#
- 2.Sde4#
- 2.Sb5#
- 2.Sf5#
- 2.Sdb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Qc4#
- 1...Qxf4
- 2.Sf7#
- 1...Qxh3
- 2.Sb5#
- 2.Sf5#
- 1...Sxf4
- 2.Sd3#
- 2.Sd7#
- 1...Bd5
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sce4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 2.Sb5#
- 2.Sf5#
- 1...Qh4
- 2.Sb5#
- 2.Sf5#
- 2.Rd3#
- 1...Qf3
- 2.Sb5#
- 2.Sf5#
- 1...Qg4
- 2.Sb5#
- 2.Sf5#
- 2.Rd3#
- 1...Qg5
- 2.Sb5#
- 2.Sf5#
- 2.Rd3#
- 1...Qg6
- 2.Sb5#
- 2.Sf5#
- 1...Bc4
- 2.Sxc4#
- 2.Sb5#
- 2.Sf5#
- 2.Qxc4#
- 1...Be6
- 2.Sb5#
- 2.Sf5#
- 1...Bf7
- 2.Sb5#
- 2.Sf5#
- 2.Sxf7#
- 1...Se3
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 2.Sb5#
- 2.Sf5#
- 2.Qb2#
- 2.Qc3#
- 1...Qc3!
- threat
- 1.Qg1+?
- 1...Kd5
- 2.e4#
- 1...Qf2
- 2.Rd3#
- 1...Se3
- 2.Sxb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Scb7#
- 2.Sd7#
- 1...Qe3!
- 1...Kd5
- 1.Kc6?
- Keys
- 1.d3!
- threat
- 2.Sf5#
- 1...Ke3
- 2.Se6#
- 1...Kd5
- 2.Sc4#
- 2.Sde4#
- 2.Sb5#
- 2.Sf5#
- 2.Sdb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...Qxe1
- 2.Sb5#
- 1...Qxf4
- 2.Sf7#
- 1...Qxd3
- 2.Rxd3#
- 1...Sxe1
- 2.Sa4#
- 1...Sxf4
- 2.Sd7#
- threat
- 1.d3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- Q(c);OGATE,XQ(A)::R1(E)
- Q(c);OGATE::R1(E)
- Q(c);OGATE::R1(E),XQ(c)
- Tries
- Try
- K(K);P-FLIGHT
- Threat
- DUALS(8)
- Vars
- Q(c);CHECK::B(J)+S(G)
- Q(c);OGATE,P_PINS(G)::P(C),XQ(c)
- Refutation
- B(f);CHECK
- Try
- B(B);XS(a)
- Threat
- DUALS(7)
- Vars
- Q(c);OGATE,XB(B)::R1(E)
- Q(c);OGATE,P_PINS(G)::P(C),XQ(c)
- Refutation
- Q(c);
- Try
- R(E);XQ(c)
- Threat
- R1(E)
- Vars
- K(d);P-FLIGHT,P_SPINS(a)::R(E)
- Refutation
- B(f);
- Try
- Q(A);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINS(a)::P(D)
- Q(c);OGATE,XQ(A)::R1(E)
- Refutation
- Q(c);P_SPINQ(c)
- Try
- Q(A);XQ(c)
- Threat
- QAR1(A)
- Vars
- K(d);P-FLIGHT,P_SPINS(a)::QAR2(A)
- Refutation
- B(f);
- Try
- Q(A);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINS(a)::P(D)
- Q(c);OGATE,P_PINS(G),P_SPINQ(c)::R1(E)
- Refutation
- P(b);P_SPINP(b)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(c);XP(F)::R(L)+S(I)
- Refutation
- Q(c);P_PINS(G)
- Try
- Q(A);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINS(a)::P(D)
- Q(c);OGATE,P_SPINQ(c)::R1(E)
- Refutation
- Q(c);P_SPINQ(c)
- Try
- Actual
- P(C);
- Threat
- R(L)+S(I),DCHECK
- Vars
- K(d);P_SPINQ(c),S_FLIGHT::B(J)+S(G)
- Q(c);XQ(A)::R(L)+S(I),DCHECK
- Q(c);XP(F)::R(L)+S(I)
- Q(c);OGATE,XP(C)::R1(E),XQ(c)
- S(a);XQ(A)::B(J)+S(G)
- S(a);XP(F)::B(J)+S(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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