MESON Chess Problem Database

Problem Display
PID: 86390 (4N3/5p2/1KP2P2/3kp3/Rp6/3B3R/4N3/8 w - - 0 1)

Gordian, Yury Markovic

Shakhmaty, 1969

4N3/5p2/1KP2P2/3kp3/Rp6/3B3R/4N3/8

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bc4+?
      • 1...Ke4
        • 2.Sd6#
      • 1...Kxc4!
    • 1.Re3?
      • 1...Ke6
        • 2.Sf4#
      • 1...b3
        • 2.Bc4#
      • 1...e4!
  • Keys
    • 1.Rh5!
      • 1...Ke6
        • 2.Bc4#
      • 1...b3
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(b);S_FLIGHT::S(H)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT,XB(B)
    • Try
      • R(C);
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::S(A)
        • P(a);::B(B)
      • Refutation
        • P(c);
  • Actual
    • R(C);P_PINP(c)
    • Vars
      • K(b);N_SPINP(c),S_FLIGHT::B(B)
      • P(a);::S(A)
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