MESON Chess Problem Database
Problem Display
PID: 177743 (3R1K2/n1P1pP2/1bB1k1p1/rp3pPn/1p1p3Q/pb1NN2P/8/8 w - - 0 1)
Sushkov, Yuri Akimovich
HM., Chepizhni-50 JT, 1985
#2
10 + 13
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Bd5#
- 1...Bc2
- 2.Bd5#
- 1...Ba4
- 2.Bd5#
- 1...Bd5
- 2.Bxd5#
- 1...Sxc6
- 2.c8Q#
- 2.c8B#
- 1...f4
- 2.Qg4#
- 1...Bd1
- Tries
- 1.Sc5+?
- 1...Ke5
- 2.Qxd4#
- 1...Bxc5!
- 1...Ke5
- 1.Sg2?
- threat
- 2.Qe1#
- 1...Sxc6
- 2.c8Q#
- 2.c8B#
- 1...f4
- 2.Qg4#
- 1...Sg3
- 2.Sgf4#
- 1...Bd1
- 2.Bd5#
- 1...Bd5
- 2.Bxd5#
- 1...Sf4
- 2.Sgxf4#
- 1...Sf6
- 2.Sgf4#
- 1...Bxc7!
- threat
- 1.Sc4?
- threat
- 2.Bd5#
- 2.Qe1#
- 1...Bxc4
- 2.Qe1#
- 1...Bxc7
- 2.Sc5#
- 2.Bd5#
- 1...Sxc6
- 2.c8Q#
- 2.c8B#
- 1...f4
- 2.Qg4#
- 1...Sg3
- 2.Sf4#
- 2.Bd5#
- 1...Bd1
- 2.Bd5#
- 1...Sf4
- 2.Sxf4#
- 1...Sf6
- 2.Sf4#
- 1...bxc4!
- threat
- 1.Sg4?
- threat
- 2.Qe1#
- 1...Bxc7
- 2.Sc5#
- 1...Sxc6
- 2.c8Q#
- 2.c8B#
- 1...fxg4
- 2.Qxg4#
- 1...Sg3
- 2.Sf4#
- 1...Bd1
- 2.Bd5#
- 1...Bd5
- 2.Bxd5#
- 1...Sf4
- 2.Sxf4#
- 1...Sf6
- 2.Sf4#
- 1...f4!
- threat
- 1.Sd5?
- threat
- 2.Qe1#
- 1...Bxd5
- 2.Bxd5#
- 1...Bxc7
- 2.Sxc7#
- 1...Sxc6
- 2.c8Q#
- 2.c8B#
- 1...f4
- 2.Qg4#
- 1...Sg3
- 2.S5f4#
- 1...Sf4
- 2.S5xf4#
- 1...Sf6
- 2.S5f4#
- 1...Bd1!
- threat
- 1.Qxd4?
- threat
- 2.Bd7#
- 2.Qe5#
- 2.Qd7#
- 1...Bxc7
- 2.Sc5#
- 2.Bd7#
- 2.Qd7#
- 1...Sxc6
- 2.Qd7#
- 2.c8Q#
- 2.c8B#
- 1...Bd5
- 2.Bxd5#
- 2.Qe5#
- 2.Qxd5#
- 1...Sf6
- 2.Sf4#
- 2.Qe5#
- 1...Bxd4!
- threat
- 1.Qf4?
- threat
- 2.Bd7#
- 2.Qe5#
- 1...Bxc7
- 2.Sc5#
- 2.Bd7#
- 1...Sxc6
- 2.c8Q#
- 2.c8B#
- 1...dxe3
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sxf4!
- threat
- 1.Sc5+?
- Keys
- 1.Sxf5!
- threat
- 2.Qe4#
- 1...Kxf5
- 2.Qg4#
- 1...Bxc7
- 2.Sxd4#
- 1...Sxc6
- 2.c8Q#
- 2.c8B#
- 1...gxf5
- 2.Qe1#
- 1...Sg3
- 2.Sg7#
- 1...Bd5
- 2.Bd7#
- 1...Sf4
- 2.Sg7#
- 1...Sf6
- 2.Sg7#
- threat
- 1.Sxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 4
- Sets
- B(b);N_GUARD::B(F)
- B(b);N_GUARD::B(F),XB(b)
- S(l);N_GUARD,XB(F)::P=Q
- P(g);OGATEB::QAB(D)
- Tries
- Try
- S(A);CHECK
- Vars
- K(j);P-FLIGHT::QAB1(D),XP(d)
- Refutation
- B(i);XS(A)
- Try
- S(B);
- Threat
- QAR(D)
- Vars
- S(l);N_GUARD,XB(F)::P=Q
- P(g);OGATEB::QAB(D)
- S(h);N_GUARD::S(B)
- B(b);N_GUARD::B(F)
- B(b);N_GUARD::B(F),XB(b)
- S(h);N_GUARD::S(B),XS(h)
- Refutation
- B(i);XP(G)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(b);XS(B)::QAR(D)
- S(l);N_GUARD,XB(F)::P=Q
- P(g);OGATEB::QAB(D)
- B(b);::B(F)
- S(h);N_GUARD::S(A),XS(h)
- S(h);N_GUARD::S(A)
- Refutation
- P(f);XS(B)
- Try
- S(B);
- Threat
- QAR(D)
- Vars
- B(i);N_GUARD,XP(G)::S(A)
- S(l);N_GUARD,XB(F)::P=Q
- P(g);OGATE,XS(B)::QAB(D),XP(g)
- S(h);N_GUARD::S(A)
- B(b);N_GUARD::B(F)
- B(b);N_GUARD::B(F),XB(b)
- S(h);N_GUARD::S(A),XS(h)
- Refutation
- P(g);
- Try
- S(B);
- Threat
- QAR(D)
- Vars
- B(b);OGATE,XS(B)::B(F),XB(b)
- B(i);XP(G)::S(B),XB(i)
- S(l);N_GUARD,XB(F)::P=Q
- P(g);OGATEB::QAB(D)
- S(h);N_GUARD::S(B)
- S(h);N_GUARD::S(B),XS(h)
- Refutation
- B(b);
- Try
- Q(D);XP(d)
- Threat
- DUALS(3)
- Refutation
- B(i);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- S(l);N_GUARD,XB(F)::P=Q
- P(d);XS(B)::QAR1(D)
- S(h);::QAR1(D)
- Refutation
- S(h);XQ(D)
- Try
- Actual
- S(B);XP(g)
- Threat
- QAR2(D)
- Vars
- K(j);OGATEB,S_FLIGHT,XS(B)::QAB1(D)
- B(i);N_GUARD,XP(G)::S(B),XP(d)
- S(l);N_GUARD,XB(F)::P=Q
- P(k);SBLOCK,XS(B)::QAR(D)
- S(h);N_GUARD::S(B)
- B(b);SBLOCK::B(F)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).