MESON Chess Problem Database

Problem Display
PID: 85375 (8/Q7/1p6/8/p2P4/p7/2K5/k7 w - - 0 1)

Zheltonozhko, Vladimir Ivanovich

Serp i molot, 1989

8/Q7/1p6/8/p2P4/p7/2K5/k7

#2

3 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qe7?
      • threat
        • 2.Qxa3#
      • 1...a2
        • 2.Qe1#
      • 1...Ka2!
    • 1.Qf7?
      • 1...a2
        • 2.Qf1#
      • 1...b5!
  • Keys
    • 1.Qxb6!
      • threat
        • 2.Qb1#
      • 1...Ka2
        • 2.Qb1#
      • 1...a2
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR2(C),XP(b)
      • Vars
        • P(b);SBLOCK::QAR(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • P(b);SBLOCK::QAR(C)
      • Refutation
        • P(d);
  • Actual
    • Q(C);XP(d)
    • Threat
      • QAR1(C)
    • Vars
      • K(a);P-FLIGHT::QAB1(C)
      • P(b);N_GUARD::QAB1(C)
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