MESON Chess Problem Database

Problem Display
PID: 222682 (5B2/8/8/1K2kp2/2PNpR2/4n3/2P5/2Q5 w - - 0 1)

Klark, Dmitry Vasilevich

La Strategie, 1883

5B2/8/8/1K2kp2/2PNpR2/4n3/2P5/2Q5

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Bg7#
      • 2.Qb2#
      • 2.Qa1#
  • Tries
    • 1.Rxf5+?
      • 1...Kxd4
        • 2.Bg7#
        • 2.Qb2#
        • 2.Qd2#
        • 2.Qa1#
      • 1...Sxf5!
  • Keys
    • 1.Qg1!
      • 1...Kxd4
        • 2.Bg7#
        • 2.Qa1#
        • 2.Qg7#
      • 1...Kxf4
        • 2.Bd6#
      • 1...Kf6
        • 2.Qg7#
      • 1...Sxc2
        • 2.Rxf5#
      • 1...Sxc4
        • 2.Rxf5#
      • 1...Sd1
        • 2.Rxf5#
      • 1...Sf1
        • 2.Rxf5#
      • 1...Sg2
        • 2.Rxf5#
      • 1...Sg4
        • 2.Rxf5#
      • 1...Sd5
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK,XP(d)
      • Refutation
        • S(a);XR(E)
  • Actual
    • Q(A);
    • Vars
      • K(c);S_FLIGHT,XR(E)::B(G)
      • K(c);P_SPINP(d),S_FLIGHT::QAB1(A)
      • S(a);N_GUARD,XP(B)::R1(E),XP(d)
      • S(a);N_GUARD,XP(C)::R1(E),XP(d)
      • S(a);N_GUARD::R1(E),XP(d)
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