MESON Chess Problem Database

Problem Display
PID: 157256 (8/4K3/2pN4/Ppk1b1R1/1N1rp3/P1qpp3/5P2/2R3B1 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Frederiksborg Amts Avis, 1941

8/4K3/2pN4/Ppk1b1R1/1N1rp3/P1qpp3/5P2/2R3B1

#2

9 + 9

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Sb7#
  • Tries
    • 1.Sxe4+?
      • 1...Kc4
        • 2.Rxc3#
      • 1...Rxe4!
  • Keys
    • 1.fxe3!
      • threat
        • 2.exd4#
      • 1...Rxb4
        • 2.Rxe5#
      • 1...Rxd6
        • 2.Rxc3#
      • 1...Rc4
        • 2.Sb7#
      • 1...Rd5
        • 2.Sa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • Q(a);::S(H)
  • Tries
    • Try
      • S(H);CHECK,XP(e)
      • Vars
        • K(g);N_SPINB(h),P-FLIGHT::R1(A),XQ(a)
      • Refutation
        • R(d);XS(H)
  • Actual
    • P(C);XP(c)
    • Threat
      • P(C),XR(d)
    • Vars
      • R(d);N_GUARD,XS(E)::R(G),XB(h)
      • R(d);N_GUARD,XS(H)::R(A),XQ(a)
      • R(d);N_SPINQ(a),SBLOCK::S(H)
      • R(d);N_SPINB(h),SBLOCK::S(E)
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