MESON Chess Problem Database

Problem Display
PID: 88143 (1R5n/3N4/8/8/K2B4/3k4/5Q2/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

The Problemist, 1992

1R5n/3N4/8/8/K2B4/3k4/5Q2/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bxh8?
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4!
    • 1.Qe3+?
      • 1...Kc4
        • 2.Sb6#
      • 1...Kc2!
  • Keys
    • 1.Rb3+!
      • 1...Kc4
        • 2.Sb6#
      • 1...Ke4
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);XS(b)
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(E);CHECK
    • Vars
      • K(a);S_FLIGHT::S(D)
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