MESON Chess Problem Database
Problem Display
PID: 48169 (1b4K1/r1n2QpR/1P1k4/N2B3R/Nr2p3/2q5/5B2/1b6 w - - 0 1)
Banny, Dimitry Nikolaevich
2nd Prize, Birnov MT, 1990
#2
9 + 9
| 4827 | FIDE Album (1989-1991) | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Bc5#
- 1...Qe1
- 2.Bc5#
- 1...Qb2
- 2.Bc5#
- 1...Qd2
- 2.Bc5#
- 1...Qe5
- 2.Bc5#
- 1...Qf6
- 2.Bc5#
- 1...Qc2
- 2.Bg3#
- 1...Qa3
- 2.Bc5#
- 1...Qb3
- 2.Bc5#
- 1...Qd3
- 2.Bc5#
- 1...Qf3
- 2.Bc5#
- 1...Qg3
- 2.Bxg3#
- 2.Bc5#
- 1...Qh3
- 2.Bc5#
- 1...Qc4
- 2.Bg3#
- 1...Qc5
- 2.Bg3#
- 2.Bxc5#
- 1...Qc6
- 2.Bg3#
- 1...Ra6
- 2.Sb7#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 1...Sb5
- 2.Qe6#
- 1...Sxd5
- 2.Rxd5#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...g6
- 2.Qd7#
- 2.Qe7#
- 2.Qf8#
- 1...Qa1
- Tries
- 1.Kf8?
- threat
- 2.Qe7#
- 1...Se6+
- 2.Qxe6#
- 1...Sxd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Qe5
- 2.Bc5#
- 1...Qf6
- 2.Bc5#
- 1...Qf3
- 2.Bc5#
- 1...Sb5
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...g5!
- threat
- 1.Sc5?
- threat
- 2.Qd7#
- 2.Qf8#
- 1...Qxc5
- 2.Bg3#
- 1...Sxd5
- 2.Rxd5#
- 2.Qe6#
- 1...Qd4
- 2.Qf8#
- 1...Qe3
- 2.Qf8#
- 1...Rd4
- 2.Qf8#
- 1...e3
- 2.Qf8#
- 1...Qe5
- 2.Qd7#
- 1...Qf6
- 2.Qd7#
- 1...Qf3
- 2.Qd7#
- 1...Qh3
- 2.Qf8#
- 1...Sb5
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...g5!
- threat
- 1.Sc4+?
- 1...Qxc4
- 2.Bg3#
- 1...Rxc4!
- 1...Qxc4
- 1.Bg3+?
- 1...Qe5
- 2.Bxe5#
- 1...Qxg3!
- 1...Qe5
- 1.Bc6?
- threat
- 2.Qd7#
- 1...Qxc6
- 2.Bg3#
- 1...g5
- 2.Qe7#
- 1...Qb3
- 2.Bc5#
- 1...Qh3
- 2.Bc5#
- 1...Qc4
- 2.Bg3#
- 1...Sb5
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sa6
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Ba2!
- threat
- 1.Re5?
- threat
- 2.Qe7#
- 1...Qxe5
- 2.Bc5#
- 1...Sxd5
- 2.Rxd5#
- 2.Re6#
- 2.Qxd5#
- 2.Qe6#
- 1...Sb5
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...Kxe5!
- threat
- 1.Rxg7?
- threat
- 2.Qd7#
- 2.Qe7#
- 2.Qf8#
- 1...Sxd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Qe5
- 2.Bc5#
- 2.Qd7#
- 1...Qf6
- 2.Bc5#
- 2.Qd7#
- 1...Qf3
- 2.Bc5#
- 2.Qd7#
- 2.Qe7#
- 1...Qh3
- 2.Bc5#
- 2.Qf4#
- 2.Qe7#
- 2.Qf8#
- 1...Qc6
- 2.Bg3#
- 2.Qf4#
- 2.Qe7#
- 2.Qf8#
- 1...Sb5
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...Qxg7+!
- threat
- 1.Kf8?
- Keys
- 1.Sc6!
- threat
- 2.Qe7#
- 1...Qxc6
- 2.Bg3#
- 1...Sxd5
- 2.Qxd5#
- 1...Qe5
- 2.Bc5#
- 1...Qf6
- 2.Bc5#
- 1...Sb5
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sa8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...g5
- 2.Qd7#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- Q(b);N_GUARD::B(A)
- R(f);N_GUARD::S(C)
- R(f);N_GUARD::S(C),XR(f)
- S(g);N_GUARD::QAR1(G)
- S(g);OGATE,XB(D)::R1(E),XS(g)
- S(g);N_GUARD::QAR1(G),XS(g)
- Tries
- Try
- K(I);P-FLIGHT
- Threat
- QAB1(G)
- Vars
- S(g);CHECK,N_GUARD::QAR1(G),XS(g)
- Q(b);N_GUARD::B(A)
- Q(b);N_GUARD,P_PINQ(G)::B(A)
- S(g);N_GUARD::QAR1(G)
- Refutation
- P(h);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,SBLOCK,XS(B)::B(A)
- Q(b);::QAB(G)
- R(c);::QAB(G)
- P(d);::QAB(G)
- Q(b);::QAR1(G)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- Refutation
- P(h);
- Try
- S(C);CHECK
- Vars
- Q(b);XS(C)::B(A)
- Refutation
- R(c);XS(C)
- Try
- B(A);CHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b)::B(A),XQ(b)
- Refutation
- Q(b);XB(A)
- Try
- B(D);
- Threat
- QAR1(G)
- Vars
- Q(b);N_GUARD,XB(D)::B(A)
- P(h);::QAB1(G)
- Q(b);N_GUARD,P_PINQ(G)::B(A)
- Q(b);N_GUARD::B(A)
- S(g);N_GUARD::R1(E)
- S(g);N_GUARD::R1(E),XS(g)
- Refutation
- B(a);P_PINQ(G)
- Try
- R(E);
- Threat
- QAB1(G)
- Vars
- Q(b);N_GUARD,SBLOCK,XR(E)::B(A)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- Refutation
- K(e);S_FLIGHT,XR(E)
- Try
- R(H);XP(h)
- Threat
- DUALS(3)
- Vars
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- Refutation
- Q(b);CHECK,XR(H)
- Try
- Actual
- S(C);
- Threat
- QAB1(G)
- Vars
- Q(b);N_GUARD,XS(C)::B(A)
- S(g);OGATE,XB(D)::QAR1(G),XS(g)
- Q(b);N_GUARD::B(A)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- P(h);::QAR1(G)
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).