MESON Chess Problem Database
Problem Display
PID: 16097 (B3R3/8/3p4/Q4p2/3k4/N2b3R/1r3P1K/b5B1 w - - 0 1)
de Boer, Johan
Probleemblad, 2000
#2
8 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxf2+
- 2.Bxf2#
- 1...Rb3
- 2.f3#
- 2.f4#
- 1...Rb5
- 2.f3#
- 2.f4#
- 1...Rb6
- 2.f3#
- 2.f4#
- 1...Rb7
- 2.f3#
- 2.f4#
- 1...Rb8
- 2.f3#
- 2.f4#
- 1...Bb1
- 2.Qc3#
- 2.Qd5#
- 1...Bf1
- 2.Qc3#
- 2.Qd5#
- 1...Bc2
- 2.Qc3#
- 2.Qd5#
- 2.f4#
- 1...Be2
- 2.Qc3#
- 2.Qd5#
- 2.f4#
- 1...Be4
- 2.Qc3#
- 1...Bb5
- 2.Qc3#
- 2.Qb6#
- 2.Qa7#
- 1...Ba6
- 2.Qc3#
- 2.Qd5#
- 1...Rxf2+
- Tries
- 1.Sc2+?
- 1...Kc4
- 2.Bd5#
- 1...Bxc2
- 2.Qc3#
- 2.Qd5#
- 1...Rxc2!
- 1...Kc4
- 1.Re4+?
- 1...Bxe4
- 2.Qc3#
- 1...fxe4!
- 1...Bxe4
- 1.Qb4+?
- 1...Bc4
- 2.Sb5#
- 2.Qxc4#
- 1...Rxb4!
- 1...Bc4
- 1.Sc2+?
- Keys
- 1.Rc8!
- threat
- 2.Qc3#
- 2.Qd5#
- 1...Rxf2+
- 2.Bxf2#
- 1...Rb5
- 2.f4#
- 1...Rb7
- 2.f3#
- 1...Bb5
- 2.Qc3#
- 1...d5
- 2.Qxd5#
- 1...Rb1
- 2.Qd5#
- 1...Ra2
- 2.Qd5#
- 1...Rc2
- 2.Qd5#
- 1...Rd2
- 2.Qd5#
- 1...Re2
- 2.Qd5#
- 1...Rb3
- 2.Qd5#
- 2.f3#
- 2.f4#
- 1...Rb4
- 2.Qd5#
- 2.f3#
- 2.f4#
- 1...Rb6
- 2.Qd5#
- 2.f3#
- 2.f4#
- 1...Rb8
- 2.Qd5#
- 2.f3#
- 2.f4#
- 1...Bc4
- 2.Rxc4#
- 2.Qc3#
- 1...Be4
- 2.Rc4#
- 2.Qc3#
- threat
- 1.Rc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- R(b);CHECK,OGATE,P_SPINR(b),XP(B)::B(A),XR(b)
- B(c);::QAB1(F)
- Tries
- Try
- S(D);CHECK,N_SPINP(B)
- Vars
- K(d);P-FLIGHT::B(G)
- Refutation
- R(b);P_PINP(B),XS(D)
- Try
- R(H);CHECK
- Vars
- B(c);XR(H)::QAB1(F)
- Refutation
- P(e);XR(H)
- Try
- Q(F);CHECK
- Refutation
- R(b);N_PINP(B),XQ(F)
- Try
- Actual
- R(H);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XP(B)::B(A),XR(b)
- R(b);N_PINP(B)::B(A)+P(B)
- B(c);::QAB1(F)
- P(f);::QAR1(F),XP(f)
- R(b);N_PINP(B)::QAR1(F)
- R(b);::QAR1(F)
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).