MESON Chess Problem Database

Problem Display
PID: 160469 (7Q/B6n/PK6/1R1N1p2/P1k1bR2/P1r5/1b1rP3/8 w - - 0 1)

Rice, John Michael

HM., British Chess Magazine, 2007-2009

7Q/B6n/PK6/1R1N1p2/P1k1bR2/P1r5/1b1rP3/8

#2

10 + 7

15 British Chess Magazine 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qc8#
    • 1...Rxd5
      • 2.Rb4#
    • 1...Rc1
      • 2.Se3#
    • 1...Rc2
      • 2.Se3#
    • 1...Re3
      • 2.Sxe3#
    • 1...Bc1
      • 2.Qxc3#
    • 1...Bxa3
      • 2.Qxc3#
  • Tries
    • 1.Ka5?
      • threat
        • 2.Sb6#
        • 2.Qc8#
      • 1...Rxe2
        • 2.Qd4#
      • 1...Bxa3
        • 2.Sb6#
        • 2.Qxc3#
      • 1...Sf6
        • 2.Qc8#
      • 1...Sf8
        • 2.Sb6#
      • 1...Rxd5!
    • 1.Kb7?
      • threat
        • 2.Qc8#
      • 1...Rxe2
        • 2.Qd4#
      • 1...Rxd5
        • 2.Rb4#
      • 1...Bxa3
        • 2.Qxc3#
      • 1...Sf8!
    • 1.Kc7?
      • threat
        • 2.Sb6#
      • 1...Rxe2
        • 2.Qd4#
      • 1...Rxd5
        • 2.Rb4#
      • 1...Sf6!
    • 1.Rxe4+?
      • 1...Rd4
        • 2.Rxd4#
        • 2.Qxd4#
        • 2.Qc8#
      • 1...fxe4!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Rb4#
      • 1...Rxe2
        • 2.Qd4#
      • 1...Bxa3
        • 2.Qxc3#
      • 1...Rb3
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(b);N_SPINB(e),SBLOCK::QAR(J)
    • R(b);SBLOCK,XS(F)::R1(E)
    • R(c);N_GUARD::S(F)
    • R(c);N_GUARD::S(F),XR(c)
    • B(a);N_GUARD::QAR1(J),XR(c)
    • B(a);N_GUARD,XP(B)::QAR1(J),XR(c)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • R(b);N_GUARD,XP(A)::QAR1(J)
        • S(g);::QAR(J)
        • S(g);::S(F)
      • Refutation
        • R(b);P_PINR(E),XS(F)
    • Try
      • K(H);P-FLIGHT,P_SPINS(F)
      • Threat
        • QAR(J)
      • Vars
        • R(b);N_GUARD,XP(A)::QAR1(J)
        • R(b);SBLOCK,XS(F)::R1(E)
        • B(a);N_GUARD,XP(B)::QAR1(J),XR(c)
      • Refutation
        • S(g);
    • Try
      • K(H);S_FLIGHT
      • Threat
        • S(F)
      • Vars
        • R(b);N_GUARD,XP(A)::QAR1(J)
        • R(b);SBLOCK,XS(F)::R1(E)
      • Refutation
        • S(g);
    • Try
      • R(D);CHECK,XB(e)
      • Refutation
        • P(f);XR(D)
  • Actual
    • K(H);P-FLIGHT,P_SPINS(F)
    • Threat
      • R1(E)
    • Vars
      • R(b);N_GUARD,XP(A)::QAR1(J)
      • B(a);N_GUARD,XP(B)::QAR1(J),XR(c)
      • R(c);SBLOCK::R1(E)
HTML5 logo

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).