MESON Chess Problem Database

Problem Display
PID: 163215 (8/8/2K2R2/8/1B1kp3/8/2P2R2/8 w - - 0 1)

Surkov, Valery Albertovich

Sachmatija, 2003

8/8/2K2R2/8/1B1kp3/8/2P2R2/8

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Bc5#
    • 1...Ke5
      • 2.Bc3#
  • Tries
    • 1.Kd6?
      • 1...Ke3
        • 2.Bc5#
      • 1...e3
        • 2.R2f4#
        • 2.R6f4#
      • 1...Kc4!
    • 1.Re2?
      • 1...Kc4
        • 2.Rxe4#
      • 1...Ke5
        • 2.Bc3#
      • 1...e3!
    • 1.R2f4?
      • 1...Kc4
        • 2.Rxe4#
      • 1...Ke5
        • 2.Bc3#
      • 1...Ke3!
    • 1.R6f4?
      • 1...Ke3
        • 2.Bc5#
      • 1...Kc4
        • 2.Rxe4#
      • 1...Ke5!
    • 1.R6f5?
      • 1...Ke3
        • 2.Bc5#
      • 1...e3
        • 2.R2f4#
      • 1...Kc4!
    • 1.Rd6+?
      • 1...Ke3
        • 2.Bc5#
      • 1...Ke5
        • 2.Bc3#
      • 1...Kc4!
  • Keys
    • 1.Re6!
      • 1...Ke3
        • 2.Bc5#
      • 1...Kc4
        • 2.Rxe4#
      • 1...e3
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::B(C)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT::R(B),XP(b)
        • K(a);P_SPINP(b),S_FLIGHT::B(C)
      • Refutation
        • P(b);
    • Try
      • R(B);P_PINP(b)
      • Vars
        • K(a);P-FLIGHT::R(B),XP(b)
        • K(a);N_SPINP(b),S_FLIGHT::B(C)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • R(E);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::B(C)
        • K(a);P-FLIGHT::R(E),XP(b)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT::B(C)
        • P(b);OGATEB,SBLOCK::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(E);
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT::B(C)
      • K(a);P-FLIGHT::R(E),XP(b)
      • P(b);OGATEB::R(B)
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