MESON Chess Problem Database

Problem Display
PID: 47754 (nKN5/1N1p3p/2k5/1p2B3/1Pppp1Q1/8/8/8 w - - 0 1)

Casa, Alex

StrateGems, 2003

nKN5/1N1p3p/2k5/1p2B3/1Pppp1Q1/8/8/8

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Se7#
    • 1...d5
      • 2.Sa5#
      • 2.Sd8#
      • 2.Qe6#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qxd7#
      • 1...Kd5
        • 2.Qxe4#
      • 1...Sb6
        • 2.Se7#
      • 1...d5
        • 2.Qe6#
        • 2.Qd7#
      • 1...d6!
    • 1.Bd6?
      • threat
        • 2.Qxe4#
      • 1...Kd5
        • 2.Se7#
      • 1...Sb6
        • 2.Se7#
      • 1...e3
        • 2.Qf3#
        • 2.Qg2#
        • 2.Qe4#
      • 1...Sc7!
    • 1.Bc7?
      • threat
        • 2.Se7#
      • 1...Kd5
        • 2.Se7#
        • 2.Qxd7#
      • 1...Sxc7!
    • 1.Qe6+?
      • 1...d6
        • 2.Sa5#
        • 2.Sd8#
        • 2.Qxd6#
      • 1...dxe6!
    • 1.Qg6+?
      • 1...Kd5
        • 2.Qd6#
      • 1...d6
        • 2.Qxd6#
      • 1...hxg6!
    • 1.Qg8?
      • threat
        • 2.Sa5#
        • 2.Sd8#
      • 1...d5
        • 2.Qe6#
        • 2.Qe8#
      • 1...d6!
  • Keys
    • 1.Bxd4!
      • threat
        • 2.Se7#
      • 1...Kd5
        • 2.Qxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(h);SBLOCK::S(F)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(B),XP(f)
      • Vars
        • K(e);S_FLIGHT::QAB1(B),XP(c)
        • S(h);SBLOCK::S(F)
      • Refutation
        • P(f);
    • Try
      • B(C);
      • Threat
        • QAB(B),XP(c)
      • Vars
        • K(e);S_FLIGHT::S(F)
        • S(h);SBLOCK::S(F)
      • Refutation
        • S(h);
    • Try
      • B(C);
      • Threat
        • S(F)
      • Refutation
        • S(h);XB(C)
    • Try
      • Q(B);CHECK
      • Refutation
        • P(f);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);S_FLIGHT::QAR1(B)
        • P(f);P_SPINP(f)::QAR1(B),XP(f)
      • Refutation
        • P(g);XQ(B)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Refutation
        • P(f);
  • Actual
    • B(C);XP(b)
    • Threat
      • S(F)
    • Vars
      • K(e);S_FLIGHT::QAR2(B),XP(f)
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