MESON Chess Problem Database

Problem Display
PID: 240713 (4BNK1/3PpNPp/1R3p1r/R2q1k1n/3Ppp2/1p5P/3Q3b/8 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Thema Danicum, 1994

4BNK1/3PpNPp/1R3p1r/R2q1k1n/3Ppp2/1p5P/3Q3b/8

#2

11 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Qd3#
  • Tries
    • 1.Re6?
      • threat
        • 2.Rxd5#
      • 1...Qxa5
        • 2.Qxa5#
      • 1...Qb5
        • 2.Rxb5#
      • 1...Qc5
        • 2.Rxc5#
      • 1...f3
        • 2.Sxh6#
      • 1...Qe5!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sxh6#
      • 1...Kg6
        • 2.Sd6#
      • 1...e3
        • 2.Qd3#
      • 1...Rg6
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB::QAB(A)
  • Tries
    • Try
      • R(E);N_SPINS(G)
      • Threat
        • R(D),XQ(e)
      • Vars
        • Q(e);N_SPINQ(e),OGATE,XR(D)::QAR(A),XQ(e)
        • Q(e);OGATEB::R(D),XQ(e)
        • P(d);::S(G),XR(i)
      • Refutation
        • Q(e);
  • Actual
    • S(J);N_SPINS(G)
    • Threat
      • S(G),XR(i)
    • Vars
      • K(f);N_SPINQ(e),S_FLIGHT::B(I)+S(G)
      • P(c);OGATEB::QAB(A)
      • R(i);P_PINP(H),SBLOCK::R(D),XQ(e)
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