MESON Chess Problem Database

Problem Display
PID: 246002 (5K2/8/2p5/3k4/8/5N1B/2Q5/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

Sem Shakhmatnikh not, 2017

5K2/8/2p5/3k4/8/5N1B/2Q5/8

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Kd6
        • 2.Qe5#
      • 1...Kc4!
    • 1.Qe2?
      • 1...Kd6
        • 2.Qe5#
      • 1...c5
        • 2.Qe6#
      • 1...Kc5!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Qxc6#
      • 1...Kd6
        • 2.Qxc6#
      • 1...c5
        • 2.Qd3#

FEATURES

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