MESON Chess Problem Database

Problem Display
PID: 154264 (1Q1R3B/2p1n2K/2p1P3/2kb1p2/p2N4/N1b2B2/8/2Rn4 w - - 0 1)

Guida, Marco

Die Schwalbe, 2014

1Q1R3B/2p1n2K/2p1P3/2kb1p2/p2N4/N1b2B2/8/2Rn4

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe6
      • 2.Sxe6#
  • Tries
    • 1.Sdc2?
      • threat
        • 2.Qa7#
      • 1...Ba5
        • 2.Bd4#
      • 1...Sc8!
    • 1.Sb3+?
      • 1...Bxb3
        • 2.Bd4#
      • 1...axb3!
    • 1.Rxc3+?
      • 1...Bc4
        • 2.Rxc4#
      • 1...Sxc3!
  • Keys
    • 1.Sxc6!
      • threat
        • 2.Qb5#
      • 1...Kxc6
        • 2.Qb5#
      • 1...Bxc6
        • 2.Bd4#
      • 1...Bc4
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(e);XP(E)::S(D),XB(e)
  • Tries
    • Try
      • S(D);N_PINB(b)
      • Threat
        • QAB(G)
      • Vars
        • B(b);N_GUARD::B(I)
      • Refutation
        • S(i);
    • Try
      • S(D);CHECK
      • Vars
        • B(e);XS(D)::B(I)
      • Refutation
        • P(c);XS(D)
    • Try
      • R(A);CHECK,XB(b)
      • Vars
        • B(e);N_GUARD,P_SPINB(e)::R1(A),XB(e)
      • Refutation
        • S(a);XR(A)
  • Actual
    • S(D);XP(g)
    • Threat
      • QAR1(G)
    • Vars
      • K(d);P-FLIGHT,XS(D)::QAB1(G)
      • B(e);XS(D)::B(I)
      • B(e);N_SPINB(b)::QAB(G)
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