MESON Chess Problem Database

Problem Display
PID: 104556 (3B3n/3p4/5KP1/4PRR1/4r2k/6p1/3n4/6NN w - - 0 1)

Rice, John Michael

Messigny, 2004

3B3n/3p4/5KP1/4PRR1/4r2k/6p1/3n4/6NN

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Rf4#
    • 1...Re2
      • 2.Rf4#
    • 1...Re3
      • 2.Rf4#
    • 1...Rf4
      • 2.Rxf4#
    • 1...Rg4
      • 2.Rh5#
    • 1...Rxe5
      • 2.Rf4#
  • Tries
    • 1.Sf3+?
      • 1...Kh3
        • 2.Rxg3#
      • 1...Sxf3!
  • Keys
    • 1.Rxg3!
      • threat
        • 2.Kg7#
      • 1...Rxe5
        • 2.Kxe5#
      • 1...Sxg6
        • 2.Kxg6#
      • 1...Rg4
        • 2.Rh3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sf7
        • 2.Kxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(c);N_GUARD::R(D)
    • R(c);N_GUARD,P_PINR(D)::R(D),XR(c)
    • R(c);SBLOCK::R1(E)
    • R(c);N_GUARD,XP(C)::R(D)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(d);P-FLIGHT::R1(E),XP(b)
      • Refutation
        • S(a);XS(A)
  • Actual
    • R(E);XP(b)
    • Threat
      • B(H)+K(F)
    • Vars
      • R(c);XP(C)::B(H)+K(F),XR(c)
      • S(f);XP(G)::B(H)+K(F),XS(f)
      • R(c);SBLOCK::R1(E)
      • S(a);N_GUARD::S(A),XS(a)
      • S(f);::B(H)+K(F),XS(f)
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Developed and maintained by Brian Stephenson.
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