MESON Chess Problem Database

Problem Display
PID: 232206 (4Q3/8/1p6/k7/8/2P5/1K6/8 w - - 0 1)

Caplin, Aleksandr Borisovich

Kudesnik, 2003

4Q3/8/1p6/k7/8/2P5/1K6/8

#2

3 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qd7?
      • 1...b5
        • 2.Qa7#
      • 1...Ka6!
    • 1.Qe2?
      • 1...Ka4
        • 2.Qa6#
      • 1...b5!
  • Keys
    • 1.c4!
      • threat
        • 2.Qb5#
      • 1...Kb4
        • 2.Qb5#
      • 1...Ka6
        • 2.Qa8#
      • 1...b5
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • P(b);SBLOCK::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
      • Refutation
        • P(b);
  • Actual
    • P(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);P-FLIGHT::QAR2(C)
      • P(b);::QAR1(C),XP(b)
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