MESON Chess Problem Database
Problem Display
PID: 66804 (1N2K3/8/2P1p1n1/1R3p2/1BpkB2b/2R3p1/p7/2N1Qn1b w - - 0 1)
Zagoruyko, Leonid Ivanovich
2/3 Prize, USSR Team Championship, 1947
#2
9 + 10
| 14752 | Soviet Chess Compositions (1945-1947) | 1949 |
| 133 | The Problemist Supplement | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Bxe4
- 2.Se2#
- 1...Sd2
- 2.Qe3#
- 1...Sh2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Se5
- 2.Bc5#
- 1...fxe4
- 2.Se2#
- 1...e5
- 2.Bc5#
- 2.Rd5#
- 1...Bxe4
- Tries
- 1.Sd7?
- threat
- 2.Bc5#
- 1...Bxe4
- 2.Se2#
- 1...fxe4
- 2.Se2#
- 1...Se3
- 2.Qxe3#
- 1...Sd2
- 2.Qe3#
- 1...Be7!
- threat
- 1.Bxh1?
- threat
- 2.Se2#
- 2.Bc5#
- 1...Be7
- 2.Se2#
- 1...Sd2
- 2.Se2#
- 2.Qxd2#
- 2.Qg1#
- 2.Qe3#
- 1...Se3
- 2.Se2#
- 2.Qd2#
- 2.Qxe3#
- 1...Sf4
- 2.Bc5#
- 2.Qe5#
- 1...g2!
- threat
- 1.Bc2?
- threat
- 2.Se2#
- 1...Bxc6+
- 2.Sxc6#
- 1...Bd5
- 2.Bc5#
- 1...Sf4
- 2.Qe5#
- 1...Bf3!
- threat
- 1.Bg2?
- threat
- 2.Se2#
- 2.Bc5#
- 1...Be7
- 2.Se2#
- 1...Sd2
- 2.Se2#
- 2.Qxd2#
- 2.Qg1#
- 2.Qe3#
- 1...Se3
- 2.Se2#
- 2.Qd2#
- 2.Qxe3#
- 1...Sf4
- 2.Bc5#
- 2.Qe5#
- 1...Bxg2!
- threat
- 1.Bf3?
- threat
- 2.Se2#
- 2.Bc5#
- 1...Be7
- 2.Se2#
- 1...Sd2
- 2.Se2#
- 2.Qxd2#
- 2.Qg1#
- 2.Qe3#
- 1...Se3
- 2.Se2#
- 2.Qd2#
- 2.Qxe3#
- 1...Sf4
- 2.Bc5#
- 2.Qe5#
- 1...Bxf3!
- threat
- 1.Bd5?
- threat
- 2.Rxc4#
- 1...Bxd5
- 2.Bc5#
- 1...exd5
- 2.Bc5#
- 1...Se3
- 2.Qxe3#
- 1...Sd2
- 2.Qe3#
- 1...Se5
- 2.Se2#
- 1...Be4!
- threat
- 1.Rc5?
- threat
- 2.R3xc4#
- 1...Se3
- 2.Qxe3#
- 1...Sd2
- 2.Qe3#
- 1...Se5!
- threat
- 1.Qf2+?
- 1...Kxe4
- 2.Rxc4#
- 1...Se3
- 2.Qxe3#
- 1...gxf2!
- 1...Kxe4
- 1.Qxf1?
- threat
- 2.Qxc4#
- 1...Kxe4
- 2.Qxc4#
- 1...Se5!
- threat
- 1.Qe2?
- threat
- 2.Rxc4#
- 2.Qxc4#
- 1...Se3
- 2.Qxe3#
- 1...Sd2
- 2.Qe3#
- 1...Se5!
- threat
- 1.c7?
- threat
- 2.Sc6#
- 1...Bxe4
- 2.Se2#
- 1...Se3
- 2.Qxe3#
- 1...Se5
- 2.Bc5#
- 1...Se7!
- threat
- 1.Sd7?
- Keys
- 1.Bd3!
- threat
- 2.Rxc4#
- 1...Bxc6+
- 2.Sxc6#
- 1...cxd3
- 2.Sb3#
- 1...Bd5
- 2.Bc5#
- 1...Sd2
- 2.Qg1#
- 1...Se3
- 2.Se2#
- 1...Se5
- 2.Qxe5#
- threat
- 1.Bd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- B(b);SBLOCK,XB(E)::S(A)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(j);SBLOCK::B(D)
- P(h);SBLOCK,XB(E)::S(A)
- Tries
- Try
- S(H);
- Threat
- B(D)
- Vars
- B(b);SBLOCK,XB(E)::S(A)
- P(h);SBLOCK,XB(E)::S(A)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(a);N_GUARD::QAB1(B)
- Refutation
- B(g);
- Try
- B(E);XB(b)
- Threat
- DUALS(2)
- Vars
- B(g);::S(A)
- Refutation
- P(d);
- Try
- B(E);
- Threat
- S(A)
- Vars
- B(b);CHECK,XP(G)::S(H),XB(b)
- B(b);SBLOCK::B(D)
- S(j);N_GUARD::QAB1(B)
- Refutation
- B(b);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- B(g);::S(A)
- Refutation
- B(b);XB(E)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- B(g);::S(A)
- Refutation
- B(b);XB(E)
- Try
- B(E);
- Threat
- R1(C),XP(e)
- Vars
- B(b);SBLOCK,XB(E)::B(D)
- P(i);SBLOCK,XB(E)::B(D)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(a);N_GUARD::QAB1(B)
- S(j);SBLOCK::S(A)
- Refutation
- B(b);
- Try
- R(F);
- Threat
- R1(C),XP(e)
- Vars
- S(a);N_GUARD::QAB1(B),XS(a)
- S(a);N_GUARD::QAB1(B)
- Refutation
- S(j);
- Try
- Q(B);CHECK
- Vars
- K(f);P-FLIGHT,XB(E)::R(C),XP(e)
- S(a);N_GUARD,P_SPINS(a)::QAB1(B),XS(a)
- Refutation
- P(d);XQ(B)
- Try
- Q(B);XS(a)
- Threat
- QAR1(B),XP(e)
- Vars
- K(f);P-FLIGHT,XB(E)::QAR2(B),XP(e)
- Refutation
- S(j);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAB1(B),XS(a)
- S(a);N_GUARD::QAB1(B)
- Refutation
- S(j);
- Try
- P(G);
- Threat
- S(H)
- Vars
- B(b);SBLOCK,XB(E)::S(A)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(j);SBLOCK::B(D)
- Refutation
- S(j);
- Try
- Actual
- B(E);
- Threat
- R1(C),XP(e)
- Vars
- B(b);CHECK,XP(G)::S(H),XB(b)
- P(e);N_GUARD,XB(E)::S(A)
- B(b);SBLOCK::B(D)
- S(a);OGATE::QAB(B)
- S(a);SBLOCK::S(A)
- S(j);N_GUARD::QAB1(B),XS(j)
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