MESON Chess Problem Database

Problem Display
PID: 249356 (3r4/1BN5/p3R3/4p3/1Ppk1pP1/8/1NP2P2/B2K4 w - - 0 1)

Heilbut, Zvi

Jerusalem Post, 1952

(First published on Fri Feb 15 1952)

3r4/1BN5/p3R3/4p3/1Ppk1pP1/8/1NP2P2/B2K4

#2

10 + 6

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3+
      • 2.Sd3#
    • 1...a5
      • 2.Sb5#
  • Tries
    • 1.Rd6+?
      • 1...Kc3
        • 2.Sd3#
      • 1...Rxd6!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rxc4#
      • 1...Kc3+
        • 2.Sd3#
      • 1...Ke4+
        • 2.Rd6#
      • 1...c3
        • 2.Rc4#
      • 1...e4
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(b);CHECK,S_FLIGHT::B(A)+S(C)
    • P(e);N_GUARD::S(J)
  • Tries
    • Try
      • R(H);CHECK
      • Vars
        • K(b);P_PINR(H),S_FLIGHT::B(A)+S(C)
      • Refutation
        • R(f);XR(H)
  • Actual
    • R(H);
    • Threat
      • R1(H),XP(a)
    • Vars
      • K(b);CHECK,P_SPINP(a),S_FLIGHT::B(A)+S(C)
      • K(b);CHECK,P-FLIGHT::B(I)+R(H)
      • P(a);::R1(H)
      • P(d);SBLOCK::B(A)+S(C),XP(a)
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