MESON Chess Problem Database

Problem Display
PID: 10982 (8/8/2p5/2pk4/P2PR3/8/3R4/3B2KQ w - - 0 1)

Larsen, Peder Andreas

Nationaltidende, 1889

8/8/2p5/2pk4/P2PR3/8/3R4/3B2KQ

#2

7 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qh5+?
      • 1...Kc4
        • 2.Qxc5#
      • 1...Kxe4
        • 2.Qf3#
        • 2.Qe5#
      • 1...Kd6!
  • Keys
    • 1.Qh8!
      • 1...Kc4
        • 2.d5#
      • 1...Kxe4
        • 2.Qe5#
      • 1...Kd6
        • 2.Qd8#
      • 1...cxd4
        • 2.Qxd4#
      • 1...c4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR1(C),XP(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);OGATE,S_FLIGHT::R(G)+P(F)
      • K(b);S_FLIGHT,XR(G)::QAR1(C)
      • K(b);P-FLIGHT::QAR2(C)
      • P(a);OGATE,P_SPINP(a),XP(F)::QAR1(C),XP(a)
      • P(a);SBLOCK::QAR1(C)
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