MESON Chess Problem Database
Problem Display
PID: 177735 (3K4/3P4/4pp1p/1Q2PbR1/1B1k3r/1P1P1p2/2R2P2/b3n1N1 w - - 0 1)
Banny, Dimitry Nikolaevich
2nd Prize, Chepizhni-50 JT, 1985
#2
11 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bc3
- 2.Bxc3#
- 1...Bh3
- 2.Qc4#
- 1...Be4
- 2.Qc4#
- 1...Bg4
- 2.Qc4#
- 1...Bg6
- 2.Qc4#
- 1...Bh7
- 2.Qc4#
- 1...Sxc2
- 2.Sxf3#
- 1...Sg2
- 2.Sxf3#
- 1...Sxd3
- 2.Rc4#
- 1...fxe5
- 2.Qc4#
- 1...Bc3
- Tries
- 1.Kc7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Sxc2
- 2.Sxf3#
- 2.d8Q#
- 2.d8R#
- 1...Sxd3
- 2.Rc4#
- 1...fxe5
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...fxg5
- 2.d8Q#
- 2.d8R#
- 1...hxg5
- 2.d8Q#
- 2.d8R#
- 1...Rh1
- 2.d8Q#
- 2.d8R#
- 1...Rh2
- 2.d8Q#
- 2.d8R#
- 1...Rh3
- 2.d8Q#
- 2.d8R#
- 1...Re4
- 2.d8Q#
- 2.d8R#
- 1...Rf4
- 2.d8Q#
- 2.d8R#
- 1...Rg4
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.d8Q#
- 2.d8R#
- 1...Bb2
- 2.d8Q#
- 2.d8R#
- 1...Bc3
- 2.Bxc3#
- 2.d8Q#
- 2.d8R#
- 1...Bh3
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Be4
- 2.Qc4#
- 1...Bg4
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Bg6
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Bh7
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Sg2
- 2.Sxf3#
- 2.d8Q#
- 2.d8R#
- 1...h5
- 2.d8Q#
- 2.d8R#
- 1...Bxd3!
- threat
- 1.Ke7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Sxc2
- 2.Sxf3#
- 2.d8Q#
- 2.d8R#
- 1...Sxd3
- 2.Rc4#
- 1...fxe5
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...fxg5
- 2.d8Q#
- 2.d8R#
- 1...hxg5
- 2.d8Q#
- 2.d8R#
- 1...Rh1
- 2.d8Q#
- 2.d8R#
- 1...Rh2
- 2.d8Q#
- 2.d8R#
- 1...Rh3
- 2.d8Q#
- 2.d8R#
- 1...Re4
- 2.d8Q#
- 2.d8R#
- 1...Rf4
- 2.d8Q#
- 2.d8R#
- 1...Rg4
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.d8Q#
- 2.d8R#
- 1...Bb2
- 2.d8Q#
- 2.d8R#
- 1...Bc3
- 2.Bxc3#
- 2.d8Q#
- 2.d8R#
- 1...Bh3
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Be4
- 2.Qc4#
- 1...Bg4
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Bg6
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Bh7
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Sg2
- 2.Sxf3#
- 2.d8Q#
- 2.d8R#
- 1...h5
- 2.d8Q#
- 2.d8R#
- 1...Bxd3!
- threat
- 1.Kc8?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Sxc2
- 2.Sxf3#
- 2.d8Q#
- 2.d8R#
- 1...Sxd3
- 2.Rc4#
- 1...fxe5
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...fxg5
- 2.d8Q#
- 2.d8R#
- 1...hxg5
- 2.d8Q#
- 2.d8R#
- 1...Rh1
- 2.d8Q#
- 2.d8R#
- 1...Rh2
- 2.d8Q#
- 2.d8R#
- 1...Rh3
- 2.d8Q#
- 2.d8R#
- 1...Re4
- 2.d8Q#
- 2.d8R#
- 1...Rf4
- 2.d8Q#
- 2.d8R#
- 1...Rg4
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.d8Q#
- 2.d8R#
- 1...Bb2
- 2.d8Q#
- 2.d8R#
- 1...Bc3
- 2.Bxc3#
- 2.d8Q#
- 2.d8R#
- 1...Bh3
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Be4
- 2.Qc4#
- 1...Bg4
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Bg6
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Bh7
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Sg2
- 2.Sxf3#
- 2.d8Q#
- 2.d8R#
- 1...h5
- 2.d8Q#
- 2.d8R#
- 1...Bxd3!
- threat
- 1.Ba5?
- threat
- 2.Bb6#
- 1...Sxc2
- 2.Sxf3#
- 1...Sxd3
- 2.Rc4#
- 1...Bxd3!
- threat
- 1.Bc5+?
- 1...Kd5
- 2.Be3#
- 2.Bb6#
- 2.Ba7#
- 1...Kxe5!
- 1...Kd5
- 1.Rd2?
- threat
- 2.Qc5#
- 1...Bxd3
- 2.Qc4#
- 1...Sxd3!
- threat
- 1.Re2?
- threat
- 2.Qc4#
- 1...Bxd3
- 2.Qc5#
- 1...fxe2
- 2.Sxe2#
- 1...Re4!
- threat
- 1.Rc6?
- threat
- 2.Rd6#
- 1...Sxd3
- 2.Rc4#
- 1...Be4
- 2.Qc4#
- 1...Bxd3!
- threat
- 1.Qb6+?
- 1...Kd5
- 2.Qc5#
- 2.Qd6#
- 1...Kxe5
- 2.Qd6#
- 1...Kxd3!
- 1...Kd5
- 1.Kc7?
- Keys
- 1.Qc6!
- threat
- 2.Qd6#
- 1...Kxd3
- 2.Rd2#
- 1...Kxe5
- 2.Qd6#
- 1...Bxd3
- 2.Bc5#
- 1...Sxd3
- 2.Sxf3#
- 1...Be4
- 2.Qc4#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- B(a);N_GUARD::B(F),XB(a)
- B(f);::QAR1(G)
- S(b);N_GUARD,XR(B)::S(A),XP(c)
- S(b);N_GUARD::S(A),XP(c)
- S(b);SBLOCK,XP(E)::R1(B)
- P(h);SBLOCK,XP(H)::QAR1(G)
- Tries
- Try
- K(K);S_FLIGHT
- Threat
- P=Q
- Vars
- S(b);SBLOCK,XP(E)::R1(B)
- P(h);XR(I)::P=Q
- P(i);XR(I)::P=Q
- R(e);::P=Q
- B(a);::P=Q
- B(f);::QAR1(G)
- P(i);::P=Q
- Refutation
- B(f);XP(E)
- Try
- K(K);S_FLIGHT
- Threat
- P=Q
- Vars
- S(b);SBLOCK,XP(E)::R1(B)
- P(h);XR(I)::P=Q
- P(i);XR(I)::P=Q
- R(e);::P=Q
- B(a);::P=Q
- B(f);::QAR1(G)
- P(i);::P=Q
- Refutation
- B(f);XP(E)
- Try
- K(K);P-FLIGHT
- Threat
- P=Q
- Vars
- S(b);SBLOCK,XP(E)::R1(B)
- P(h);XR(I)::P=Q
- P(i);XR(I)::P=Q
- R(e);::P=Q
- B(a);::P=Q
- B(f);::QAR1(G)
- P(i);::P=Q
- Refutation
- B(f);XP(E)
- Try
- B(F);
- Threat
- B(F)
- Vars
- S(b);N_GUARD,XR(B)::S(A),XP(c)
- S(b);SBLOCK,XP(E)::R1(B)
- Refutation
- B(f);XP(E)
- Try
- B(F);CHECK
- Refutation
- K(d);P_SPINB(f),S_FLIGHT,XP(H)
- Try
- R(B);
- Threat
- QAB1(G)
- Vars
- B(f);P_SPINB(f),XP(E)::QAR1(G)
- Refutation
- S(b);P_SPINS(b),XP(E)
- Try
- R(B);
- Threat
- QAR1(G)
- Vars
- B(f);SBLOCK,XP(E)::QAB1(G)
- P(c);XR(B)::S(A),XP(c)
- Refutation
- R(e);
- Try
- R(B);
- Threat
- R(B)
- Vars
- S(b);SBLOCK,XP(E)::R1(B)
- B(f);::QAR1(G)
- Refutation
- B(f);XP(E)
- Try
- Q(G);CHECK
- Vars
- K(d);P_SPINB(f),S_FLIGHT,XP(H)::QAB1(G)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- Actual
- Q(G);
- Threat
- QAR2(G)
- Vars
- K(d);OGATEB,P-FLIGHT,XP(E)::R1(B)
- K(d);P_SPINB(f),S_FLIGHT,XP(H)::QAB1(G)
- B(f);SBLOCK,XP(E)::B(F)
- S(b);N_GUARD,SBLOCK,XP(E)::S(A),XP(c)
- B(f);::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).