MESON Chess Problem Database

Problem Display
PID: 163726 (2r5/6n1/1NR5/3P1p2/2p1kppP/4p1B1/4PPn1/Q1K4N w - - 0 1)

Rice, John Michael

stern, 1996

(First published on Thu Sep 12 1996)

2r5/6n1/1NR5/3P1p2/2p1kppP/4p1B1/4PPn1/Q1K4N

#2

10 + 9

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Ra8
      • 2.Rxc4#
    • 1...Rb8
      • 2.Rxc4#
    • 1...Rd8
      • 2.Rxc4#
    • 1...Re8
      • 2.Rxc4#
    • 1...Rf8
      • 2.Rxc4#
    • 1...Rg8
      • 2.Rxc4#
    • 1...Rh8
      • 2.Rxc4#
    • 1...Sh5
      • 2.Re6#
    • 1...Se6
      • 2.Rxe6#
    • 1...Se8
      • 2.Re6#
    • 1...f3
      • 2.Qe5#
  • Tries
    • 1.fxe3?
      • threat
        • 2.Qd4#
      • 1...Kxe3
        • 2.Qe5#
      • 1...Sxe3
        • 2.Sf2#
      • 1...fxe3
        • 2.Qe5#
      • 1...Se6
        • 2.Rxe6#
      • 1...c3!
  • Keys
    • 1.Bxf4!
      • threat
        • 2.Qe5#
      • 1...Kxf4
        • 2.Qd4#
      • 1...Sxf4
        • 2.Sg3#
      • 1...c3
        • 2.Qa4#
      • 1...Re8
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • R(i);N_GUARD::R(J),XP(c)
    • S(h);N_GUARD::R(J)
    • S(h);N_GUARD::R(J),XS(h)
    • P(e);::QAR1(A)
  • Tries
    • Try
      • P(E);XP(b)
      • Threat
        • QAR1(A)
      • Vars
        • K(d);P-FLIGHT,XP(E)::QAR2(A)
        • S(a);SBLOCK,XP(E)::S(C)
        • P(e);SBLOCK,XP(E)::QAR1(A)
        • S(h);N_GUARD::R(J),XS(h)
      • Refutation
        • P(c);
  • Actual
    • B(F);XP(e)
    • Threat
      • QAR1(A)
    • Vars
      • K(d);P-FLIGHT,XB(F)::QAR2(A)
      • S(a);SBLOCK,XB(F)::S(C)
      • P(c);OGATEB::QAR(A)
      • R(i);N_GUARD::R(J),XP(c)
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