MESON Chess Problem Database
Problem Display
PID: 251729 (2K2RN1/3p2pr/1pP1k3/4P2N/3r4/1R6/B6B/8 w - - 0 1)
ten Cate, Pieter
Probleemblad, 1982
#2
9 + 6
SOLUTION
- SOUND
- Tries
- 1.Rd3+?
- 1...Rc4
- 2.Rd6#
- 1...Rd5
- 2.Bxd5#
- 1...d5!
- 1...Rc4
- 1.Rbf3+?
- 1...Rd5
- 2.Re8#
- 1...d5
- 2.Re8#
- 1...Rc4!
- 1...Rd5
- 1.Rg3+?
- 1...Kxe5
- 2.Re3#
- 1...Rd5
- 2.Rg6#
- 1...d5
- 2.Rg6#
- 1...Rc4!
- 1...Kxe5
- 1.Rb5+?
- 1...Rc4
- 2.Sf4#
- 1...Rd5
- 2.Bxd5#
- 1...d5!
- 1...Rc4
- 1.Rxb6+?
- 1...Rd5
- 2.cxd7#
- 1...d5
- 2.c7#
- 1...Rc4!
- 1...Rd5
- 1.Rd3+?
- Keys
- 1.Re3+!
- 1...Rc4
- 2.Sf4#
- 1...Rd5
- 2.Sf4#
- 1...d5
- 2.exd5 ep#
- 1...Rc4
- 1.Re3+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(C);CHECK
- Vars
- R(a);OGATE,P_PINP(F),P_SPINR(a)::R1(C)
- R(a);N_GUARD,P_SPINR(a)::B(A),XR(a)
- Refutation
- P(d);P_SPINP(d)
- Try
- R(C);CHECK
- Vars
- R(a);P_SPINR(a)::R(H)
- P(d);P_SPINP(d)::R(H)
- Refutation
- R(a);P_PINP(F),P_SPINR(a)
- Try
- R(C);CHECK
- Vars
- K(c);P-FLIGHT,XP(D)::B(B)+R(C),DCHECK
- R(a);P_SPINR(a)::R(C)
- P(d);P_SPINP(d)::R(C)
- Refutation
- R(a);P_PINP(F),P_SPINR(a)
- Try
- R(C);CHECK
- Vars
- R(a);P_PINP(F),P_SPINR(a)::S(E)
- R(a);N_GUARD,P_SPINR(a)::B(A),XR(a)
- Refutation
- P(d);P_SPINP(d)
- Try
- R(C);CHECK,XP(b)
- Vars
- R(a);P_SPINR(a)::R(C)+P(F),XP(d)
- P(d);P_SPINP(d)::R(C)+P(F)
- Refutation
- R(a);P_PINP(F),P_SPINR(a)
- Try
- Actual
- R(C);CHECK
- Vars
- R(a);P_PINP(F),P_SPINR(a)::S(E)
- R(a);P_SPINR(a)::S(E)
- P(d);OGATE,P_SPINP(d)::R(C)+P(D)DCHECK,XP(d),EP
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).