MESON Chess Problem Database
Problem Display
PID: 51648 (5N2/6B1/1K6/3kPp2/3pN3/1P6/2P2PP1/7Q w - - 0 1)
Robert, Philippe
The Problemist, 2003
#2
10 + 3
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.g3#
- 1...Kxe4
- Tries
- 1.Qa1?
- threat
- 2.Qa8#
- 1...d3
- 2.Sf6#
- 1...Kxe4!
- threat
- 1.Qe1?
- threat
- 2.Sf6#
- 1...fxe4
- 2.Qa5#
- 1...d3!
- threat
- 1.Qh3?
- 1...Kxe4
- 2.Qf3#
- 1...fxe4
- 2.Qe6#
- 2.Qd7#
- 1...d3
- 2.Qxd3#
- 1...f4!
- 1...Kxe4
- 1.Qh4?
- 1...fxe4
- 2.Qd8#
- 1...d3
- 2.Sc3#
- 1...f4!
- 1...fxe4
- 1.Qh5?
- 1...Kxe4
- 2.Qf3#
- 1...fxe4
- 2.Qf7#
- 1...f4
- 2.Sf6#
- 1...d3!
- 1...Kxe4
- 1.Qa1?
- Keys
- 1.Qd1!
- threat
- 2.Sc3#
- 1...Kxe4
- 2.Qf3#
- 1...fxe4
- 2.c4#
- 1...d3
- 2.Qxd3#
- threat
- 1.Qd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT,XS(F)::QAB(A)+P(D)
- Tries
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- P(a);::S(F)
- Refutation
- K(b);S_FLIGHT,XS(F)
- Try
- Q(A);
- Threat
- S(F)
- Vars
- P(c);SBLOCK,XS(F)::QAR(A)
- Refutation
- P(a);
- Try
- Q(A);
- Vars
- K(b);OGATEB,S_FLIGHT,XS(F)::QAB1(A)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- P(c);SBLOCK,XS(F)::QAR(A)
- P(a);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- K(b);OGATEB,S_FLIGHT,XS(F)::QAB1(A)
- P(c);SBLOCK,XS(F)::QAB(A)
- P(c);::S(F)
- Refutation
- P(a);
- Try
- Actual
- Q(A);P_PINP(a)
- Threat
- S(F)
- Vars
- K(b);N_SPINP(a),OGATEB,S_FLIGHT,XS(F)::QAB1(A)
- P(c);SBLOCK,XS(F)::P(B)
- P(a);OGATEB::QAR2(A),XP(a)
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).