MESON Chess Problem Database

Problem Display
PID: 114946 (8/8/3pQ3/1p6/1p6/k7/8/2K5 w - - 0 1)

Beausoleil, Normand A

Apprenti Sorcier, 1994

8/8/3pQ3/1p6/1p6/k7/8/2K5

#2

2 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ka4
      • 2.Qa2#
  • Tries
    • 1.Qd5?
      • 1...Ka4
        • 2.Qa2#
      • 1...b3!
  • Keys
    • 1.Kc2!
      • threat
        • 2.Qb3#
      • 1...b3+
        • 2.Qxb3#
      • 1...Ka4
        • 2.Qa2#
      • 1...d5
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR2(B)
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • P(b);
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAR1(B)
    • Vars
      • P(b);CHECK::QAR1(B),XP(b)
      • K(a);P-FLIGHT::QAR2(B)
      • P(d);OGATE::QAR(B)
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