MESON Chess Problem Database

Problem Display
PID: 219033 (8/7B/1n1R4/3p4/PN1kn3/1P4P1/8/2BN2K1 w - - 0 1)

Klark, Dmitry Vasilevich

Shakhmatny Zhurnal, 1882

8/7B/1n1R4/3p4/PN1kn3/1P4P1/8/2BN2K1

#2

9 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Sc6#
      • 2.Bb2#
    • 1...Sxa4
      • 2.Rxd5#
    • 1...Sc4
      • 2.Rxd5#
    • 1...Sd7
      • 2.Rxd5#
    • 1...Sa8
      • 2.Rxd5#
    • 1...Sc8
      • 2.Rxd5#
  • Tries
    • 1.Sc2+?
      • 1...Kc5
        • 2.Ba3#
      • 1...Ke5
        • 2.Bf4#
      • 1...Kd3!
    • 1.Sc6+?
      • 1...Kc5
        • 2.Ba3#
      • 1...Kd3!
  • Keys
    • 1.Ba3!
      • 1...Kc5
        • 2.Sc2#
        • 2.Sc6#
      • 1...Ke5
        • 2.Sc6#
      • 1...Sxg3
        • 2.Sc6#
      • 1...Sxd6
        • 2.Sc6#
      • 1...Sxa4
        • 2.Rxd5#
      • 1...Sd2
        • 2.Sc6#
      • 1...Sf2
        • 2.Sc6#
      • 1...Sc3
        • 2.Sc6#
      • 1...Sc5
        • 2.Sc6#
        • 2.Bb2#
      • 1...Sg5
        • 2.Sc6#
      • 1...Sf6
        • 2.Sc6#
      • 1...Sc4
        • 2.Rxd5#
      • 1...Sd7
        • 2.Rxd5#
      • 1...Sa8
        • 2.Rxd5#
      • 1...Sc8
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD,XP(F)::R1(H),XP(c)
    • S(d);N_GUARD::R1(H),XP(c)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(a);N_SPINP(c),S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT,P_SPINS(b)
    • Try
      • S(G);CHECK
      • Vars
        • K(a);N_SPINP(c),S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT,P_SPINS(b)
  • Actual
    • B(A);
    • Vars
      • K(a);N_SPINP(c),S_FLIGHT::S(G)
      • S(b);XP(E)::S(G)
      • S(b);N_SPINP(c),XR(H)::S(G)
      • S(d);N_GUARD,XP(F)::R1(H),XP(c)
      • S(b);::S(G)
      • S(d);N_GUARD::R1(H),XP(c)
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