MESON Chess Problem Database

Problem Display
PID: 234576 (8/8/1K6/1R1p4/2k5/4Q3/4p3/5b2 w - - 0 1)

Speckmann, Werner

Source?, 0000

8/8/1K6/1R1p4/2k5/4Q3/4p3/5b2

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Qb3#
  • Tries
    • 1.Rxd5?
      • threat
        • 2.Rd4#
      • 1...Kb4
        • 2.Rd4#
      • 1...Kxd5!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Rb4#
      • 1...d4
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK::QAB1(A)
  • Tries
    • Try
      • R(B);XP(d)
      • Threat
        • R1(B)
      • Vars
        • K(c);P-FLIGHT::R(B)
      • Refutation
        • K(c);S_FLIGHT,XR(B)
  • Actual
    • Q(A);
    • Threat
      • R1(B)
    • Vars
      • P(d);SBLOCK::QAR2(A)
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