MESON Chess Problem Database
Problem Display
PID: 156852 (3R3Q/4pp2/1Np2r2/2nbkP2/p5P1/BpNpP1p1/1K1P4/8 w - - 0 1)
Winter, C
Troll, 2014
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Sc4#
- 1...Bg2
- 2.Sc4#
- 1...Bf3
- 2.Sc4#
- 1...Bc4
- 2.Sxc4#
- 1...Be4
- 2.Sc4#
- 1...Se4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Se6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...g2
- 2.Qh2#
- 1...Bh1
- Tries
- 1.Bxc5?
- threat
- 2.Sd7#
- 2.Bd4#
- 1...Be6
- 2.Bd4#
- 1...a3+!
- threat
- 1.Bxc5?
- Keys
- 1.Ra8!
- 1...Kd6
- 2.Qb8#
- 1...Be6
- 2.Qb8#
- 1...Bh1
- 2.Sc4#
- 1...Bg2
- 2.Sc4#
- 1...Bf3
- 2.Sc4#
- 1...Bc4
- 2.Sxc4#
- 1...Be4
- 2.Sc4#
- 1...Se4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Se6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...g2
- 2.Qh2#
- 1...e6
- 2.Qb8#
- 1...Kd6
- 1.Ra8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(f);N_GUARD::S(H)
- B(f);N_GUARD::S(H),XB(f)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- P(c);OGATEB::QAB(J)
- Tries
- Try
- B(C);XS(e)
- Threat
- DUALS(2)
- Vars
- B(f);::B(C)
- Refutation
- P(d);CHECK
- Try
- Actual
- R(I);
- Vars
- K(g);N_SPINR(i),P_SPINS(e),S_FLIGHT::QAB(J)
- B(f);::QAB(J)
- B(f);N_GUARD::S(H)
- B(f);N_GUARD::S(H),XB(f)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- P(c);OGATEB::QAB(J)
- P(j);::QAB(J)
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).