MESON Chess Problem Database

Problem Display
PID: 183634 (8/8/8/Q7/6p1/3Pk1p1/1P4B1/4NK2 w - - 0 1)

Akimov, Nikolai Nikolaevich

Sachmatija, 2018

8/8/8/Q7/6p1/3Pk1p1/1P4B1/4NK2

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2+?
      • 1...Kxd3
        • 2.Qc3#
      • 1...Kf4!
    • 1.Be4?
      • 1...Kd4
        • 2.Sc2#
      • 1...Kf4
        • 2.Sg2#
      • 1...g2+!
    • 1.Qf5?
      • 1...Kd4
        • 2.Sc2#
      • 1...Kd2!
  • Keys
    • 1.d4!
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(E)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::S(A)
      • Refutation
        • P(b);CHECK
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::S(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(E);
    • Vars
      • K(a);S_FLIGHT,XP(E)::QAB1(F)
      • K(a);S_FLIGHT::QAB1(F)
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