MESON Chess Problem Database

Problem Display
PID: 59809 (nB1KB3/2n3p1/1pp1P3/brkP1P1R/1p1NP3/1P3N2/2P1PQ2/8 w - - 0 1)

Robert, Philippe

StrateGems, 2005

nB1KB3/2n3p1/1pp1P3/brkP1P1R/1p1NP3/1P3N2/2P1PQ2/8

#2

14 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sa6
      • 2.Sxc6#
    • 1...Sxe6+
      • 2.Sxe6#
    • 1...Sxe8
      • 2.Sxc6#
  • Tries
    • 1.Kd7?
      • threat
        • 2.Sxc6#
      • 1...Sxd5
        • 2.Bd6#
      • 1...Sxe6
        • 2.Sxe6#
        • 2.Bd6#
      • 1...cxd5!
    • 1.Bxc6?
      • threat
        • 2.Sxb5#
      • 1...Sxe6+
        • 2.Sxe6#
      • 1...Kd6
        • 2.Sxb5#
      • 1...Sxd5!
  • Keys
    • 1.f6!
      • threat
        • 2.Sf5#
      • 1...Sxe6+
        • 2.Sxe6#
      • 1...Kd6
        • 2.Sf5#
      • 1...Sxd5
        • 2.Sxc6#
      • 1...cxd5
        • 2.Sxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(g);::QAB(C)+S(F),XP(f)
    • S(g);CHECK,XP(K)::QAB(C)+S(F),DCHECK,XS(g)
    • S(g);XB(N)::QAB(C)+S(F),XP(f)
  • Tries
    • Try
      • K(M);P-FLIGHT
      • Threat
        • QAB(C)+S(F),XP(f)
      • Vars
        • S(g);OGATE,XP(H)::B(L)
      • Refutation
        • P(f);XP(H)
    • Try
      • B(N);XP(f)
      • Threat
        • QAB(C)+S(F),XR(c)
      • Vars
        • S(g);CHECK,XP(K)::QAB(C)+S(F),DCHECK,XS(g)
        • K(d);P_SPINS(g),S_FLIGHT::S(F),XR(c)
      • Refutation
        • S(g);XP(H)
  • Actual
    • P(I);
    • Threat
      • QAB(C)+S(F)
    • Vars
      • S(g);CHECK,XP(K)::QAB(C)+S(F),DCHECK,XS(g)
      • K(d);P_SPINS(g),S_FLIGHT::S(F)
      • S(g);P_SPINS(g),XP(H)::QAB(C)+S(F),XP(f)
      • P(f);P_SPINP(f),XP(H)::QAB(C)+S(F),XR(c)
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