MESON Chess Problem Database

Problem Display
PID: 15925 (3r4/3Q4/4n3/8/3R1B2/2k5/3N4/3K4 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1989

3r4/3Q4/4n3/8/3R1B2/2k5/3N4/3K4

#2

5 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qb4#
      • 1...Kxd4
        • 2.Qc4#
      • 1...Rxd4
        • 2.Qb3#
      • 1...Sxd4
        • 2.Sb1#
        • 2.Se4#
      • 1...Rb8
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • K(a);S_FLIGHT,XR(C)::QAR1(E)
      • R(c);P_PINS(B),SBLOCK,XR(C)::QAR1(E)
      • R(c);N_GUARD::R1(C)
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