MESON Chess Problem Database

Problem Display
PID: 171401 (8/8/Q5P1/5N2/6k1/5N2/4R3/3K4 w - - 0 1)

Antipov, Viacheslav Pavlovich

Minimat, 1995

8/8/Q5P1/5N2/6k1/5N2/4R3/3K4

#2

6 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qd3?
      • 1...Kh3
        • 2.Sh2#
        • 2.Se5#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kh5!
  • Keys
    • 1.Re4+!
      • 1...Kxf3
        • 2.Qe2#
      • 1...Kh3
        • 2.Qf1#
      • 1...Kxf5
        • 2.Qe6#
      • 1...Kh5
        • 2.Rh4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(B);CHECK
    • Vars
      • K(a);S_FLIGHT,XS(C)::QAB1(E)
      • K(a);S_FLIGHT::QAB(E)
      • K(a);S_FLIGHT,XS(D)::QAB1(E)
      • K(a);OGATE,S_FLIGHT::R1(B)
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