MESON Chess Problem Database
Problem Display
PID: 145431 (8/3Qp3/2p1P3/2PpP2N/B2kN3/K2P3R/6PB/3R4 w - - 0 1)
Hoekstra, Sjoerd
Probleemblad, 2011
#2
13 + 4
SOLUTION
- SOUND
- Tries
- 1.Sd2?
- 1...Kxc5
- 2.Qa7#
- 1...Kc3!
- 1...Kxc5
- 1.Sf2?
- 1...Kxc5
- 2.Qa7#
- 1...Kc3!
- 1...Kxc5
- 1.Sc3?
- 1...Kxc5
- 2.Qa7#
- 1...Kxc3!
- 1...Kxc5
- 1.Sg5?
- 1...Kxc5
- 2.Qa7#
- 1...Kc3!
- 1...Kxc5
- 1.Sd6?
- 1...Kc3
- 2.d4#
- 1...Kxc5
- 2.Qa7#
- 1...exd6!
- 1...Kc3
- 1.Sd2?
- Keys
- 1.Seg3!
- 1...Kc3
- 2.Se2#
- 1...Ke3
- 2.Bg1#
- 1...Kxc5
- 2.Qa7#
- 1...Kxe5
- 2.d4#
- 1...Kc3
- 1.Seg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(H);
- Vars
- K(a);N_SPINP(b),OGATEB,S_FLIGHT,XP(I)::QAB(M)
- Refutation
- K(a);N_SPINP(b),S_FLIGHT
- Try
- S(H);
- Vars
- K(a);N_SPINP(b),OGATEB,S_FLIGHT,XP(I)::QAB(M)
- Refutation
- K(a);N_SPINP(b),S_FLIGHT
- Try
- S(H);
- Vars
- K(a);N_SPINP(b),OGATEB,S_FLIGHT,XP(I)::QAB(M)
- Refutation
- K(a);N_SPINP(b),S_FLIGHT,XS(H)
- Try
- S(H);
- Vars
- K(a);N_SPINP(b),OGATEB,S_FLIGHT,XP(I)::QAB(M)
- Refutation
- K(a);N_SPINP(b),S_FLIGHT
- Try
- S(H);N_PINP(b)
- Vars
- K(a);OGATE,S_FLIGHT::R(F)+P(E)
- K(a);OGATEB,S_FLIGHT,XP(I)::QAB(M)
- Refutation
- P(d);XS(H)
- Try
- Actual
- S(H);
- Vars
- K(a);N_SPINP(b),S_FLIGHT::S(H)
- K(a);N_SPINP(b),S_FLIGHT::B(C)
- K(a);N_SPINP(b),OGATEB,S_FLIGHT,XP(I)::QAB(M)
- K(a);N_SPINP(b),OGATE,S_FLIGHT,XP(J)::P(E)
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).