MESON Chess Problem Database
Problem Display
PID: 86504 (4rb2/6pQ/2p4R/2PkP2N/N1p2B1p/4P2B/6K1/8 w - - 0 1)
Melnichenko, Viktor Oleksandrovich
Shakhmaty v SSSR, 1979
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re6
- 2.Bxe6#
- 1...Re7
- 2.Rd6#
- 1...Ra8
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Rc8
- 2.Be6#
- 1...Rd8
- 2.Be6#
- 1...Bxc5
- 2.Sc3#
- 1...Bd6
- 2.Rxd6#
- 1...Be7
- 2.Be6#
- 1...c3
- 2.Qd3#
- 1...gxh6
- 2.Sf6#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Re6
- Tries
- 1.Kf1?
- threat
- 2.Bg2#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...g6
- 2.Sf6#
- 1...Rxe5!
- threat
- 1.Kg1?
- threat
- 2.Bg2#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...g6
- 2.Sf6#
- 1...Rxe5!
- threat
- 1.Kh1?
- threat
- 2.Bg2#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...g6
- 2.Sf6#
- 1...Rxe5!
- threat
- 1.Kf2?
- threat
- 2.Bg2#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...g6
- 2.Sf6#
- 1...Rxe5!
- threat
- 1.Kh2?
- threat
- 2.Bg2#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...g6
- 2.Sf6#
- 1...Rxe5!
- threat
- 1.Kf3?
- threat
- 2.Qe4#
- 1...g6
- 2.Sf6#
- 1...Rxe5!
- threat
- 1.Sxg7?
- 1...Bxc5
- 2.Sc3#
- 1...Bxg7
- 2.Rd6#
- 1...c3
- 2.Qd3#
- 1...Re6
- 2.Bxe6#
- 1...Re7
- 2.Rd6#
- 1...Ra8
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Rc8
- 2.Be6#
- 1...Rd8
- 2.Be6#
- 1...Bd6
- 2.Rxd6#
- 1...Be7
- 2.Be6#
- 1...Rxe5!
- 1...Bxc5
- 1.Bd7?
- threat
- 2.Bxc6#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...g6
- 2.Sf6#
- 1...Re6
- 2.Bxe6#
- 1...Rc8
- 2.Be6#
- 1...Bd6
- 2.Rxd6#
- 1...h3+!
- threat
- 1.Bg3?
- 1...Rxe5
- 2.Sf4#
- 1...Bxc5
- 2.Sc3#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...g6
- 2.Sf6#
- 1...Re6
- 2.Bxe6#
- 1...Re7
- 2.Rd6#
- 1...Ra8
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Rc8
- 2.Be6#
- 1...Rd8
- 2.Be6#
- 1...Bd6
- 2.Rxd6#
- 1...Be7
- 2.Be6#
- 1...g5
- 2.Sf6#
- 1...hxg3!
- 1...Rxe5
- 1.Qb1?
- 1...Bxc5
- 2.Sc3#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...Re6
- 2.Bxe6#
- 1...Re7
- 2.Rd6#
- 1...Ra8
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Rc8
- 2.Be6#
- 1...Rd8
- 2.Be6#
- 1...Bd6
- 2.Rxd6#
- 1...Be7
- 2.Be6#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Rxe5!
- 1...Bxc5
- 1.Qc2?
- 1...Bxc5
- 2.Sc3#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...Re6
- 2.Bxe6#
- 1...Re7
- 2.Rd6#
- 1...Ra8
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Rc8
- 2.Be6#
- 1...Rd8
- 2.Be6#
- 1...Bd6
- 2.Rxd6#
- 1...Be7
- 2.Be6#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Rxe5!
- 1...Bxc5
- 1.Qf5?
- threat
- 2.e6#
- 1...Rxe5
- 2.Qxe5#
- 1...c3
- 2.Qd3#
- 1...Bd6
- 2.Rxd6#
- 1...g6
- 2.Sf6#
- 1...Re6!
- threat
- 1.Qg6?
- threat
- 2.Qxc6#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...Re6
- 2.Bxe6#
- 1...Rc8
- 2.Be6#
- 1...Bd6!
- threat
- 1.Qg8+?
- 1...Ke4
- 2.Qxc4#
- 1...Re6!
- 1...Ke4
- 1.e6?
- threat
- 2.Qf5#
- 1...Rxe6
- 2.Bxe6#
- 1...c3
- 2.Qd3#
- 1...g6
- 2.Sf6#
- 1...Bd6!
- threat
- 1.Kf1?
- Keys
- 1.Bh2!
- 1...Rxe5
- 2.Sf4#
- 1...Bxc5
- 2.Sc3#
- 1...gxh6
- 2.Sf6#
- 1...c3
- 2.Qd3#
- 1...g6
- 2.Sf6#
- 1...Re6
- 2.Bxe6#
- 1...Re7
- 2.Rd6#
- 1...Ra8
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Rc8
- 2.Be6#
- 1...Rd8
- 2.Be6#
- 1...Bd6
- 2.Rxd6#
- 1...Be7
- 2.Be6#
- 1...g5
- 2.Sf6#
- 1...Rxe5
- 1.Bh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::B(C),XR(f)
- R(f);S_CUTB(g)::R1(I)
- R(f);N_GUARD::B(C)
- B(g);SBLOCK,XP(F)::S(D)
- B(g);N_GUARD::R1(I),XB(g)
- B(g);S_CUTR(f)::B(C)
- P(a);N_GUARD::QAR2(J)
- P(e);N_GUARD,XR(I)::S(H)
- P(e);N_GUARD::S(H)
- Tries
- Try
- K(A);S_FLIGHT
- Threat
- B(C)
- Vars
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- P(e);N_GUARD::S(H)
- Refutation
- R(f);XP(G)
- Try
- K(A);P-FLIGHT
- Threat
- B(C)
- Vars
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- P(e);N_GUARD::S(H)
- Refutation
- R(f);XP(G)
- Try
- K(A);S_FLIGHT
- Threat
- B(C)
- Vars
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- P(e);N_GUARD::S(H)
- Refutation
- R(f);XP(G)
- Try
- K(A);P-FLIGHT
- Threat
- B(C)
- Vars
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- P(e);N_GUARD::S(H)
- Refutation
- R(f);XP(G)
- Try
- K(A);P-FLIGHT
- Threat
- B(C)
- Vars
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- P(e);N_GUARD::S(H)
- Refutation
- R(f);XP(G)
- Try
- K(A);S_FLIGHT
- Threat
- QAB1(J)
- Vars
- P(e);N_GUARD::S(H)
- Refutation
- R(f);XP(G)
- Try
- S(H);XP(e)
- Vars
- B(g);SBLOCK,XP(F)::S(D)
- B(g);N_GUARD,XS(H)::R1(I)
- P(a);N_GUARD::QAR2(J)
- R(f);N_GUARD::B(C),XR(f)
- R(f);S_CUTB(g)::R1(I)
- R(f);N_GUARD::B(C)
- B(g);N_GUARD::R1(I),XB(g)
- B(g);S_CUTR(f)::B(C)
- Refutation
- R(f);XP(G)
- Try
- B(C);
- Threat
- B(C),XP(d)
- Vars
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- P(e);N_GUARD::S(H)
- R(f);N_GUARD::B(C),XR(f)
- R(f);N_GUARD::B(C)
- B(g);N_GUARD::R1(I),XB(g)
- Refutation
- P(b);CHECK
- Try
- B(E);
- Vars
- R(f);SBLOCK,XP(G)::S(H)
- B(g);SBLOCK,XP(F)::S(D)
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- P(e);N_GUARD::S(H)
- R(f);N_GUARD::B(C),XR(f)
- R(f);S_CUTB(g)::R1(I)
- R(f);N_GUARD::B(C)
- B(g);N_GUARD::R1(I),XB(g)
- B(g);S_CUTR(f)::B(C)
- Refutation
- P(b);XB(E)
- Try
- Q(J);
- Vars
- B(g);SBLOCK,XP(F)::S(D)
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- R(f);N_GUARD::B(C),XR(f)
- R(f);S_CUTB(g)::R1(I)
- R(f);N_GUARD::B(C)
- B(g);N_GUARD::R1(I),XB(g)
- B(g);S_CUTR(f)::B(C)
- P(e);N_GUARD::S(H)
- Refutation
- R(f);XP(G)
- Try
- Q(J);
- Vars
- B(g);SBLOCK,XP(F)::S(D)
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- R(f);N_GUARD::B(C),XR(f)
- R(f);S_CUTB(g)::R1(I)
- R(f);N_GUARD::B(C)
- B(g);N_GUARD::R1(I),XB(g)
- B(g);S_CUTR(f)::B(C)
- P(e);N_GUARD::S(H)
- Refutation
- R(f);XP(G)
- Try
- Q(J);
- Threat
- QAR(J)+P(G)
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAR1(J),XR(f)
- P(a);N_GUARD::QAR2(J)
- B(g);N_GUARD::R1(I),XB(g)
- P(e);N_GUARD::S(H)
- Refutation
- R(f);
- Try
- Q(J);
- Threat
- QAB1(J),XP(d)
- Vars
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- R(f);N_GUARD::B(C),XR(f)
- R(f);N_GUARD::B(C)
- Refutation
- B(g);
- Try
- Q(J);CHECK
- Vars
- K(c);OGATE,S_FLIGHT::QAR2(J),XP(a)
- Refutation
- R(f);P_SPINR(f)
- Try
- P(G);
- Threat
- QAR2(J)
- Vars
- R(f);OGATE,XP(G)::B(C),XR(f)
- P(a);N_GUARD::QAR2(J)
- P(e);N_GUARD::S(H)
- Refutation
- B(g);
- Try
- Actual
- B(E);
- Vars
- R(f);SBLOCK,XP(G)::S(H)
- B(g);SBLOCK,XP(F)::S(D)
- P(e);N_GUARD,XR(I)::S(H)
- P(a);N_GUARD::QAR2(J)
- P(e);N_GUARD::S(H)
- R(f);N_GUARD::B(C),XR(f)
- R(f);S_CUTB(g)::R1(I)
- R(f);N_GUARD::B(C)
- B(g);N_GUARD::R1(I),XB(g)
- B(g);S_CUTR(f)::B(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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