MESON Chess Problem Database

Problem Display
PID: 275915 (QB6/8/2p1P3/1bn1p3/2pNPk1P/1pN2P2/6K1/4R2n w - - 0 1)

Morice, Jean

Phenix, 2002

QB6/8/2p1P3/1bn1p3/2pNPk1P/1pN2P2/6K1/4R2n

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe4
      • 2.Rxe4#
    • 1...Sxe6
      • 2.Sxe6#
  • Tries
    • 1.Ba7?
      • threat
        • 2.Qf8#
      • 1...Sxe4
        • 2.Rxe4#
      • 1...Sxe6
        • 2.Sde2#
        • 2.Sxe6#
      • 1...exd4
        • 2.Bb8#
        • 2.Qb8#
      • 1...Sd7
        • 2.Sde2#
      • 1...Sg3!
    • 1.Qa7?
      • threat
        • 2.Qf7#
      • 1...Sxe4
        • 2.Rxe4#
      • 1...Sb7
        • 2.Sde2#
      • 1...Sd7
        • 2.Sde2#
      • 1...Sg3!
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qc1#
      • 1...Sxe4
        • 2.Rxe4#
      • 1...Sd3
        • 2.Qf8#
      • 1...b2
        • 2.Sce2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(f);OGATE,XP(F)::R1(A),XS(f)
    • S(f);XP(H)::S(E),XS(f)
  • Tries
    • Try
      • B(J);N_PINP(g)
      • Threat
        • QAR(I)
      • Vars
        • S(f);OGATE,XP(F)::R1(A),XS(f)
        • S(f);::S(E)
      • Refutation
        • S(a);
    • Try
      • Q(I);
      • Threat
        • QAR(I)
      • Vars
        • S(f);OGATE,XP(F)::R1(A),XS(f)
        • S(f);::S(E)
      • Refutation
        • S(a);
  • Actual
    • Q(I);
    • Threat
      • QAB(I)
    • Vars
      • S(f);OGATE,XP(F)::R1(A),XS(f)
      • S(f);OGATE::QAR(I)
      • P(b);::S(C)
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