MESON Chess Problem Database

Problem Display
PID: 189971 (R7/2R5/8/8/8/6K1/1p6/1b5k w - - 0 1)

de Jong, Leonard Nicholaas

La Strategie, 1913

R7/2R5/8/8/8/6K1/1p6/1b5k

#2

3 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Ra1!
      • threat
        • 2.Rxb1#
      • 1...Kg1
        • 2.Rxb1#
      • 1...bxa1Q
        • 2.Rc1#
      • 1...bxa1S
        • 2.Rc1#
      • 1...bxa1B
        • 2.Rc1#
      • 1...bxa1R
        • 2.Rc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);P_PINB(a)
    • Threat
      • R(C),XB(a)
    • Vars
      • K(b);P-FLIGHT::R(C),XB(a)
      • P(c);N_GUARD,N_SPINB(a),SBLOCK,XR(C)::R(B)
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