MESON Chess Problem Database
Problem Display
PID: 151645 (4r3/2p5/2Q4B/3N4/nP1k4/2p2BP1/2P2nK1/8 w - - 0 1)
Wirajaya, Daniel
2nd HM., The Problemist Supplement, 2013
#2
8 + 6
| 56 | The Problemist | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Ke5
- 2.Qf6#
- 1...Ra8
- 2.Bg7#
- 1...Rb8
- 2.Bg7#
- 1...Rc8
- 2.Bg7#
- 1...Rd8
- 2.Bg7#
- 1...Rh8
- 2.Bg7#
- 1...Sb2
- 2.Qxc3#
- 1...Sb6
- 2.Qxc3#
- 1...Ke5
- Tries
- 1.Sb6?
- threat
- 2.Qd5#
- 1...Sxb6
- 2.Qc5#
- 1...Re5
- 2.Qc4#
- 1...Rd8
- 2.Qf6#
- 1...Ke5!
- threat
- 1.Se7?
- threat
- 2.Qd5#
- 1...Ke5
- 2.Bg7#
- 1...Sb6
- 2.Qc5#
- 1...Rd8!
- threat
- 1.Be3+?
- 1...Ke5
- 2.Qf6#
- 1...Rxe3!
- 1...Ke5
- 1.Sb6?
- Keys
- 1.Se3!
- threat
- 2.Qd5#
- 1...Ke5
- 2.Bg7#
- 1...Re5
- 2.Qc4#
- 1...Rd8
- 2.Qf6#
- 1...Sb6
- 2.Qc5#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- K(d);S_FLIGHT::QAB1(G)
- R(f);N_GUARD::B(H)
- S(c);N_GUARD::QAB1(G),XP(b)
- Tries
- Try
- S(F);
- Threat
- QAR1(G)
- Vars
- S(c);N_GUARD,XS(F)::QAB1(G)
- R(f);SBLOCK::QAR1(G)
- R(f);N_GUARD::QAB(G)
- Refutation
- K(d);S_FLIGHT
- Try
- S(F);
- Threat
- QAR1(G)
- Vars
- K(d);S_FLIGHT::B(H)
- S(c);N_GUARD::QAB1(G)
- Refutation
- R(f);
- Try
- B(H);CHECK
- Vars
- K(d);S_FLIGHT::QAB1(G)
- Refutation
- R(f);XB(H)
- Try
- Actual
- S(F);
- Threat
- QAR1(G)
- Vars
- K(d);S_FLIGHT::B(H)
- R(f);SBLOCK::QAR1(G)
- R(f);N_GUARD::QAB(G)
- S(c);N_GUARD::QAB1(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).