MESON Chess Problem Database
Problem Display
PID: 287522 (8/4p1p1/4p3/ppp1R1PB/rk4KQ/p4NBR/P2PP3/8 w - - 0 1)
Erokhin, Vladimir Alekseevich
Mat, 1987
#2
11 + 9
SOLUTION
- SOUND
- Tries
- 1.Se1?
- 1...Kc4
- 2.Kf3#
- 1...c4
- 2.Sc2#
- 1...g6!
- 1...Kc4
- 1.Be1?
- threat
- 2.d3#
- 1...Kc4
- 2.Kg3#
- 2.d3#
- 1...c4!
- threat
- 1.Bf2?
- 1...Kc4
- 2.Kg3#
- 1...c4
- 2.Bc5#
- 1...g6!
- 1...Kc4
- 1.Bg6?
- 1...Kc4
- 2.Kh5#
- 1...c4!
- 1...Kc4
- 1.Be8?
- 1...Kc4
- 2.Kh5#
- 1...c4
- 2.Rxb5#
- 1...g6!
- 1...Kc4
- 1.Rh1?
- 1...Kc4
- 2.Kh3#
- 1...c4
- 2.Rb1#
- 1...g6!
- 1...Kc4
- 1.Se1?
- Keys
- 1.g6!
- 1...Kc4
- 2.Kg5#
- 1...c4
- 2.Qxe7#
- 1...Kc4
- 1.g6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(D);
- Vars
- K(c);P-FLIGHT,S_CUTP(f)::QAR(H)+K(G)
- P(f);SBLOCK::S(D)
- Refutation
- P(i);
- Try
- B(E);
- Threat
- B(E)+P(B)
- Refutation
- P(f);
- Try
- B(E);
- Vars
- K(c);P-FLIGHT,S_CUTP(f)::QAR(H)+K(G)
- P(f);SBLOCK::B(E)
- Refutation
- P(i);
- Try
- B(K);
- Vars
- K(c);P-FLIGHT,S_CUTP(f)::QAR(H)+K(G)
- Refutation
- P(f);
- Try
- B(K);
- Vars
- K(c);P-FLIGHT,S_CUTP(f)::QAR(H)+K(G)
- P(f);OGATE,SBLOCK::R1(I),XP(e)
- Refutation
- P(i);
- Try
- R(F);
- Vars
- K(c);P-FLIGHT,S_CUTP(f)::QAR(H)+K(G)
- P(f);SBLOCK::R(F)
- Refutation
- P(i);
- Try
- Actual
- P(J);
- Vars
- K(c);P-FLIGHT,S_CUTP(f)::QAR(H)+K(G)
- P(f);OGATEB,SBLOCK::QAB(H),XP(h)
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).