MESON Chess Problem Database

Problem Display
PID: 95043 (6K1/6p1/4Q3/7k/8/6P1/8/2b5 w - - 0 1)

Shamrin, Aleksandr Petrovich

Cherkasskaya Pravda, 1989

6K1/6p1/4Q3/7k/8/6P1/8/2b5

#2

3 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kf7?
      • threat
        • 2.Qg6#
      • 1...Kg5
        • 2.Qg6#
      • 1...g6
        • 2.Qxg6#
      • 1...g5
        • 2.Qh3#
      • 1...Bg5!
  • Keys
    • 1.Kh7!
      • threat
        • 2.Qg6#
      • 1...Kg5
        • 2.Qg6#
      • 1...Bg5
        • 2.Qe2#
      • 1...g5
        • 2.Qh3#
      • 1...g6
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • QAB1(B)
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
        • P(c);::QAB1(B),XP(c)
        • P(c);SBLOCK::QAR2(B)
      • Refutation
        • B(a);
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • QAB1(B)
    • Vars
      • K(b);P-FLIGHT::QAR1(B)
      • B(a);SBLOCK::QAB(B)
      • P(c);SBLOCK::QAR2(B)
      • P(c);::QAB1(B),XP(c)
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