MESON Chess Problem Database
Problem Display
PID: 55386 (2N3NK/1nr1Q1p1/2p1nB1R/2pk4/1r4R1/1P2p2B/q7/b7 w - - 0 1)
Shedey, Sergey Oleksandrovich
3rd HM., Source?, 1963
#2
9 + 11
| 3747 | FIDE Album (1962-1964) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Ra4
- 2.Sb6#
- 1...Rc4
- 2.Sb6#
- 1...Rd4
- 2.Sb6#
- 1...Re4
- 2.Sb6#
- 1...Rb6
- 2.Sxb6#
- 1...Rxe7
- 2.Sgxe7#
- 1...Sd4
- 2.Qe4#
- 2.Qe5#
- 1...Sa5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sd8
- 2.Qd6#
- 1...Ra4
- Tries
- 1.Bg2+?
- 1...Re4
- 2.Sb6#
- 2.Bxe4#
- 1...Qxg2!
- 1...Re4
- 1.Bxa1?
- threat
- 2.Qxe6#
- 1...Rxe7
- 2.Sgxe7#
- 1...gxh6
- 2.Sf6#
- 1...Re4
- 2.Sb6#
- 1...Sd4
- 2.Qe4#
- 1...Sf4
- 2.Rg5#
- 2.Qe5#
- 1...Sg5
- 2.Rxg5#
- 2.Qxg5#
- 2.Qe5#
- 1...Sed8
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Sf8
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Sbd8
- 2.Qd6#
- 1...g6
- 2.Sf6#
- 1...c4!
- threat
- 1.Bc3?
- threat
- 2.Qxe6#
- 1...Rxe7
- 2.Sgxe7#
- 1...gxh6
- 2.Sf6#
- 1...Re4
- 2.Sb6#
- 1...Sd4
- 2.Qe4#
- 1...Sf4
- 2.Rg5#
- 2.Qe5#
- 1...Sg5
- 2.Rxg5#
- 2.Qxg5#
- 2.Qe5#
- 1...Sed8
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Sf8
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Sbd8
- 2.Qd6#
- 1...g6
- 2.Sf6#
- 1...c4!
- threat
- 1.Bd4?
- threat
- 2.Qxe6#
- 1...Rxe7
- 2.Sgxe7#
- 1...Sxd4
- 2.Qe4#
- 1...gxh6
- 2.Sf6#
- 1...Sf4
- 2.Qe5#
- 1...Sg5
- 2.Qxg5#
- 2.Qe5#
- 1...Sed8
- 2.Qg5#
- 2.Qe4#
- 2.Qe5#
- 1...Sf8
- 2.Qg5#
- 2.Qe4#
- 2.Qe5#
- 1...Sbd8
- 2.Qd6#
- 1...g6
- 2.Sf6#
- 1...cxd4!
- threat
- 1.Rc4?
- threat
- 2.Bxe6#
- 2.Qxe6#
- 1...Rxc4
- 2.Qxe6#
- 1...Rxe7
- 2.Sgxe7#
- 1...Bxf6
- 2.Qxe6#
- 1...gxf6
- 2.Qxe6#
- 1...Bd4
- 2.Qxe6#
- 1...Sd4
- 2.Qe5#
- 1...Sf4
- 2.Qe4#
- 1...Sed8
- 2.Qe4#
- 1...Sf8
- 2.Qe4#
- 1...Sbd8
- 2.Qd6#
- 1...Sg5!
- threat
- 1.Rd4+?
- 1...Rxd4
- 2.Qxe6#
- 1...Bxd4
- 2.Qxe6#
- 1...Sxd4
- 2.Qe5#
- 1...cxd4!
- 1...Rxd4
- 1.Qd7+?
- 1...Sd6
- 2.Sce7#
- 2.Sge7#
- 2.Qxd6#
- 1...Rxd7!
- 1...Sd6
- 1.Bg2+?
- Keys
- 1.Bb2!
- threat
- 2.Qxe6#
- 1...Rxe7
- 2.Sgxe7#
- 1...gxh6
- 2.Sf6#
- 1...Re4
- 2.Sb6#
- 1...Sd4
- 2.Qe4#
- 1...Sf4
- 2.Rg5#
- 2.Qe5#
- 1...Sg5
- 2.Rxg5#
- 2.Qxg5#
- 2.Qe5#
- 1...Sed8
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Sf8
- 2.Rg5#
- 2.Qg5#
- 2.Qe5#
- 1...Sbd8
- 2.Qd6#
- 1...c4
- 2.Bg2#
- 1...g6
- 2.Sf6#
- threat
- 1.Bb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- R(d);N_GUARD::S(G)
- R(d);N_GUARD::S(G),XR(d)
- R(j);XQ(F)::S(H),XR(j)
- S(i);N_GUARD::QAR1(F)
- S(i);N_GUARD::QAR1(F),XS(i)
- Tries
- Try
- B(B);CHECK
- Refutation
- Q(b);XB(B)
- Try
- B(D);XB(a)
- Threat
- QAB1(F),XS(h)
- Vars
- R(j);XQ(F)::S(H),XR(j)
- P(k);N_GUARD,XR(E)::S(H)
- R(d);N_GUARD::S(G)
- S(h);OGATE::QAB1(F)
- S(i);N_GUARD::QAR1(F)
- P(k);N_GUARD::S(H)
- Refutation
- P(e);
- Try
- B(D);
- Threat
- QAB1(F),XS(h)
- Vars
- R(j);XQ(F)::S(H),XR(j)
- P(k);N_GUARD,P_PINB(D),XR(E)::S(H)
- R(d);N_GUARD::S(G)
- S(h);OGATE::QAB1(F)
- S(i);N_GUARD::QAR1(F)
- P(k);N_GUARD,P_PINB(D)::S(H)
- Refutation
- P(e);
- Try
- B(D);
- Threat
- QAB1(F),XS(h)
- Vars
- R(j);XQ(F)::S(H),XR(j)
- S(h);OGATE,XB(D)::QAB1(F)
- P(k);N_GUARD,P_PINB(D),XR(E)::S(H)
- S(h);OGATE::QAR1(F)
- S(i);N_GUARD::QAR1(F)
- P(k);N_GUARD,P_PINB(D)::S(H)
- Refutation
- P(e);XB(D)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(d);XR(C)::QAB1(F),XS(h)
- R(j);XQ(F)::S(H),XR(j)
- B(a);XB(D)::QAB1(F),XS(h)
- P(k);XB(D)::QAB1(F),XS(h)
- B(a);::QAB1(F),XS(h)
- S(h);OGATE::QAR1(F)
- S(h);OGATE::QAB1(F)
- S(i);N_GUARD::QAR1(F)
- Refutation
- S(h);
- Try
- R(C);CHECK
- Vars
- R(d);XR(C)::QAB1(F),XS(h)
- B(a);XR(C)::QAB1(F),XS(h)
- S(h);OGATE,XR(C)::QAR1(F)
- Refutation
- P(e);XR(C)
- Try
- Q(F);CHECK
- Refutation
- R(j);XQ(F)
- Try
- Actual
- B(D);
- Threat
- QAB1(F),XS(h)
- Vars
- R(j);XQ(F)::S(H),XR(j)
- P(k);N_GUARD,P_PINB(D),XR(E)::S(H)
- R(d);N_GUARD::S(G)
- S(h);OGATE::QAB1(F)
- S(i);N_GUARD::QAR1(F)
- P(e);S_CUTR(d)::B(B)
- P(k);N_GUARD,P_PINB(D)::S(H)
Developed and maintained by Brian Stephenson.
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