MESON Chess Problem Database

Problem Display
PID: 171408 (8/8/8/8/2N5/5p2/2K1k1p1/6Q1 w - - 0 1)

Antipov, Viacheslav Pavlovich

Temp-64 (Nikolaev), 1995

8/8/8/8/2N5/5p2/2K1k1p1/6Q1

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...f2
      • 2.Qd1#
  • Tries
    • 1.Kc1?
      • 1...f2
        • 2.Qd1#
      • 1...Kd3!
    • 1.Kb3?
      • 1...Kd3
        • 2.Qe3#
      • 1...f2!
  • Keys
    • 1.Qe3+!
      • 1...Kf1
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(c);SBLOCK::QAB1(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(c);SBLOCK::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • P(c);
  • Actual
    • Q(A);CHECK
    • Vars
      • K(a);S_FLIGHT::S(C)
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