MESON Chess Problem Database
Problem Display
PID: 105424 (1B6/7R/2K2p2/8/2p5/1NkN4/2B5/2Qnb3 w - - 0 1)
Erokhin, Vladimir Alekseevich
Shedey, Sergey Oleksandrovich
Chervoni Girnik, 1979
#2
7 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Qxd2#
- 1...Bf2
- 2.Qd2#
- 1...Bg3
- 2.Qd2#
- 1...Bh4
- 2.Qd2#
- 1...Sb2
- 2.Qxb2#
- 1...Sf2
- 2.Qb2#
- 1...Se3
- 2.Qb2#
- 1...f5
- 2.Be5#
- 1...Bd2
- Tries
- 1.Kb5?
- 1...cxd3
- 2.Bxd1#
- 2.Rc7#
- 1...Bd2
- 2.Qxd2#
- 1...Bf2
- 2.Qd2#
- 1...Bg3
- 2.Qd2#
- 1...Bh4
- 2.Qd2#
- 1...Sb2
- 2.Qxb2#
- 1...Sf2
- 2.Qb2#
- 1...Se3
- 2.Qb2#
- 1...f5
- 2.Be5#
- 1...cxb3!
- 1...cxd3
- 1.Kc5?
- 1...cxb3
- 2.Bb1#
- 1...cxd3
- 2.Bxd1#
- 1...Bd2
- 2.Qxd2#
- 1...Bg3
- 2.Qd2#
- 1...Bh4
- 2.Qd2#
- 1...Sb2
- 2.Qxb2#
- 1...Sf2
- 2.Qb2#
- 1...Se3
- 2.Qb2#
- 1...f5
- 2.Be5#
- 1...Bf2+!
- 1...cxb3
- 1.Bd6?
- threat
- 2.Bb4#
- 1...cxd3
- 2.Bxd1#
- 1...cxb3!
- threat
- 1.Ba7?
- threat
- 2.Bd4#
- 1...cxb3
- 2.Bb1#
- 1...Bf2
- 2.Qd2#
- 1...cxd3!
- threat
- 1.Rb7?
- threat
- 2.Bb1#
- 1...Bd2
- 2.Qxd2#
- 1...Se3
- 2.Qb2#
- 1...cxb3!
- threat
- 1.Rc7?
- 1...cxb3
- 2.Kd5#
- 1...cxd3
- 2.Kb5#
- 1...Bd2
- 2.Qxd2#
- 1...Bf2
- 2.Qd2#
- 1...Bg3
- 2.Qd2#
- 1...Bh4
- 2.Qd2#
- 1...Sb2
- 2.Qxb2#
- 1...Sf2
- 2.Qb2#
- 1...Se3
- 2.Qb2#
- 1...f5!
- 1...cxb3
- 1.Rd7?
- threat
- 2.Bxd1#
- 1...Bd2
- 2.Qxd2#
- 1...Sb2
- 2.Bd1#
- 2.Qxb2#
- 1...Sf2
- 2.Bd1#
- 2.Qb2#
- 1...Se3
- 2.Qb2#
- 1...cxd3!
- threat
- 1.Qa1+?
- 1...Sb2
- 2.Qxb2#
- 1...Kxc2!
- 1...Sb2
- 1.Kb5?
- Keys
- 1.Rh4!
- 1...Bxh4
- 2.Qd2#
- 1...cxb3
- 2.Bb1#
- 1...cxd3
- 2.Bxd1#
- 1...Bd2
- 2.Qxd2#
- 1...Bf2
- 2.Qd2#
- 1...Bg3
- 2.Qd2#
- 1...Sb2
- 2.Qxb2#
- 1...Sf2
- 2.Qb2#
- 1...Se3
- 2.Qb2#
- 1...f5
- 2.Be5#
- 1...Bxh4
- 1.Rh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- P(e);N_GUARD::B(G)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- P(e);N_GUARD::B(G)
- Refutation
- P(d);XS(C)
- Try
- K(E);P-FLIGHT
- Vars
- P(d);SBLOCK,XS(C)::QAR(A)+B(B)
- P(d);SBLOCK,XS(D)::QAR(A)+B(B),XS(a)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- P(e);N_GUARD::B(G)
- Refutation
- B(b);CHECK
- Try
- B(G);
- Threat
- B(G)
- Vars
- P(d);SBLOCK,XS(D)::QAR(A)+B(B),XS(a)
- Refutation
- P(d);XS(C)
- Try
- B(G);
- Threat
- B(G)
- Vars
- P(d);SBLOCK,XS(C)::QAR(A)+B(B)
- B(b);N_GUARD::QAB1(A)
- Refutation
- P(d);XS(D)
- Try
- R(F);
- Threat
- QAR(A)+B(B)
- Vars
- B(b);N_GUARD::QAB1(A),XB(b)
- S(a);N_GUARD::QAB1(A)
- Refutation
- P(d);XS(C)
- Try
- R(F);
- Vars
- P(d);XS(C)::R(F)+K(E)
- P(d);XS(D)::R(F)+K(E)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- Refutation
- P(e);
- Try
- R(F);
- Threat
- QAR(A)+B(B),XS(a)
- Vars
- B(b);N_GUARD::QAB1(A),XB(b)
- S(a);N_GUARD::QAB1(A)
- Refutation
- P(d);XS(D)
- Try
- Q(A);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- K(c);P-FLIGHT,XB(B)
- Try
- Actual
- R(F);
- Vars
- B(b);N_GUARD,XR(F)::QAB1(A)
- P(d);SBLOCK,XS(C)::QAR(A)+B(B)
- P(d);SBLOCK,XS(D)::QAR(A)+B(B),XS(a)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- P(e);N_GUARD::B(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).