MESON Chess Problem Database

Problem Display
PID: 136691 (8/3b4/5bn1/4p1BQ/4BnP1/2NP2kP/3R2P1/4K2R w K - 0 1)

Anonymous

Source?, 2010

8/3b4/5bn1/4p1BQ/4BnP1/2NP2kP/3R2P1/4K2R

#2

11 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg4
      • 2.Qxg4#
    • 1...Se2
      • 2.Sxe2#
    • 1...Sxg2+
      • 2.Rxg2#
    • 1...Sxd3+
      • 2.Rxd3#
    • 1...Sxh3
      • 2.Se2#
      • 2.Rxh3#
      • 2.Qxh3#
    • 1...Sd5
      • 2.Se2#
    • 1...Sxh5
      • 2.Se2#
    • 1...Se6
      • 2.Se2#
    • 1...Sh4
      • 2.Qxh4#
    • 1...Se7
      • 2.Qh4#
    • 1...Sf8
      • 2.Qh4#
    • 1...Sh8
      • 2.Qh4#
  • Tries
    • 1.Bd5?
      • threat
        • 2.Se4#
      • 1...Sxg2+
        • 2.Rxg2#
      • 1...Sxd3+
        • 2.Rxd3#
      • 1...Se2
        • 2.Sxe2#
      • 1...e4
        • 2.Sxe4#
      • 1...Bf5!
  • Keys
    • 1.0-0!
      • threat
        • 2.Rf3#
      • 1...Se2+
        • 2.Sxe2#
      • 1...Sxh3+
        • 2.Qxh3#
      • 1...Bxg4
        • 2.Qxg4#
      • 1...Sh4
        • 2.Qxh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • B(f);OGATE,XP(I)::QAR1(K),XB(f)
    • S(b);N_GUARD::S(E),XS(b)
    • S(b);CHECK,OGATE,XP(D)::R1(C),XS(b)
    • S(b);CHECK,OGATE,XP(F)::R(C),XS(b)
    • S(b);N_GUARD::S(E)
    • S(b);N_GUARD,XQ(K)::S(E)
    • S(e);N_GUARD::QAB1(K),XS(e)
    • S(e);N_GUARD::QAB1(K)
  • Tries
    • Try
      • B(H);
      • Threat
        • S(E)
      • Vars
        • S(b);CHECK,OGATE,XP(D)::R1(C),XS(b)
        • S(b);CHECK,OGATE,XP(F)::R(C),XS(b)
        • S(b);N_GUARD::S(E),XS(b)
        • P(c);::S(E),XP(c)
      • Refutation
        • B(f);
  • Actual
    • K(A);0-0
    • Threat
      • R1(B)
    • Vars
      • S(b);CHECK,N_GUARD::S(E),XS(b)
      • S(b);CHECK,OGATE,XP(G)::QAR1(K),XS(b)
      • B(f);OGATE,XP(I)::QAR1(K),XB(f)
      • S(e);N_GUARD::QAB1(K),XS(e)
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