MESON Chess Problem Database

Problem Display
PID: 171040 (4k2r/2pRp1p1/pp2Kp2/b7/2R5/2p5/4PPPP/5B2 w - - 0 1)

Raz, Josef

1st Prize, Tel Aviv, 1990

4k2r/2pRp1p1/pp2Kp2/b7/2R5/2p5/4PPPP/5B2

#2

8 + 10

721 Variantim 1990

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Rd8#
  • Tries
    • 1.Rcxc7?
      • threat
        • 2.Rc8#
      • 1...Kf8
        • 2.Rc8#
        • 2.Rd8#
      • 1...b5!
    • 1.Rdxc7?
      • threat
        • 2.Rc8#
      • 1...Kd8
        • 2.Rc8#
      • 1...Kf8
        • 2.Rc8#
      • 1...b5!
  • Keys
    • 1.Rcd4!
      • threat
        • 2.Rd8#
      • 1...Kf8
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(i);P-FLIGHT::R(H)
  • Tries
    • Try
      • R(F);XP(f)
      • Threat
        • R(F)
      • Refutation
        • P(d);
    • Try
      • R(H);XP(f)
      • Threat
        • R(H)
      • Vars
        • K(i);P-FLIGHT::R1(H)
        • K(i);P-FLIGHT::R(H)
      • Refutation
        • P(d);
  • Actual
    • R(F);
    • Threat
      • R1(H)
    • Vars
      • K(i);P-FLIGHT::R(H)
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