MESON Chess Problem Database

Problem Display
PID: 149148 (4K3/8/8/8/Q2R4/B7/2RP4/1b1kb3 w - - 0 1)

Dedrle, Frantisek

Casopis ceskoslovenskych sachistu, 1912

4K3/8/8/8/Q2R4/B7/2RP4/1b1kb3

#2

6 + 3

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qa6?
      • threat
        • 2.Rc1#
      • 1...Kxc2
        • 2.Qa4#
      • 1...Bxc2!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Rc1#
      • 1...Kxc2
        • 2.Qa4#
      • 1...Bxc2
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Threat
        • R1(A)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XR(A)::QAB(D)
      • Refutation
        • B(a);XR(A)
  • Actual
    • Q(D);
    • Threat
      • R1(A)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(A)::QAB(D)
      • B(a);SBLOCK,XR(A)::QAB(D)
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