MESON Chess Problem Database

Problem Display
PID: 203578 (8/8/5P1B/2p1k3/2PN4/1P4N1/4K3/Q7 w - - 0 1)

Weisz, Odon

Nepszava, 1924

8/8/5P1B/2p1k3/2PN4/1P4N1/4K3/Q7

#2

8 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qa6?
      • threat
        • 2.Sf3#
      • 1...Kxd4
        • 2.Qa1#
      • 1...cxd4!
  • Keys
    • 1.Qa7!
      • 1...Kxd4
        • 2.Qa1#
      • 1...Kd6
        • 2.Bf4#
        • 2.Qe7#
      • 1...Kxf6
        • 2.Qg7#
      • 1...cxd4
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • S(F)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(F)::QAB(A)
      • Refutation
        • P(a);XS(F)
  • Actual
    • Q(A);
    • Vars
      • K(b);OGATEB,P_SPINP(a),S_FLIGHT,XS(F)::QAB(A)
      • K(b);OGATEB,S_FLIGHT,XP(G)::QAB1(A)
      • P(a);SBLOCK,XS(F)::QAR2(A)
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