MESON Chess Problem Database

Problem Display
PID: 206949 (8/8/ppn1NKP1/P3P2P/Np2kpB1/R3p3/4R3/8 w - - 0 1)

Caplin, Aleksandr Borisovich

Sachova skladba, 1991

8/8/ppn1NKP1/P3P2P/Np2kpB1/R3p3/4R3/8

#2

10 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Bf5+?
      • 1...Kd5
        • 2.Sxb6#
      • 1...Kf3!
    • 1.Rexe3+?
      • 1...Kd5
        • 2.Sxb6#
      • 1...fxe3!
    • 1.Raxe3+?
      • 1...Kd5
        • 2.Sxb6#
      • 1...fxe3!
  • Keys
    • 1.Rd2!
      • threat
        • 2.Sg5#
      • 1...exd2
        • 2.Bf3#
      • 1...Sd4
        • 2.Rxd4#
      • 1...f3
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(c);N_SPINP(a),S_FLIGHT::S(C),XP(f)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(A);CHECK,XP(a)
      • Vars
        • K(c);S_FLIGHT::S(C),XP(f)
      • Refutation
        • P(d);XR(A)
    • Try
      • R(B);CHECK,XP(a)
      • Vars
        • K(c);S_FLIGHT::S(C),XP(f)
      • Refutation
        • P(d);P_SPINP(d),XR(B)
  • Actual
    • R(A);N_PINP(a)
    • Threat
      • S(H)
    • Vars
      • P(a);XR(A)::B(D)
      • S(g);N_GUARD::R1(A),XS(g)
      • P(d);SBLOCK::B(D)
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