MESON Chess Problem Database

Problem Display
PID: 201350 (8/2p5/4Q3/1kP5/2R5/2P5/2K5/8 w - - 0 1)

Charvat, Prokop

Chess Amateur (The), 1922

8/2p5/4Q3/1kP5/2R5/2P5/2K5/8

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rb4+?
      • 1...Ka5
        • 2.Qa2#
      • 1...Kxc5!
  • Keys
    • 1.Ra4!
      • 1...Kxa4
        • 2.Qa6#
      • 1...Kxc5
        • 2.Ra5#
      • 1...c6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR(E)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
  • Actual
    • R(C);
    • Vars
      • K(a);S_FLIGHT,XR(C)::QAR2(E)
      • K(a);P-FLIGHT,XP(D)::R(C)
      • P(b);SBLOCK::QAB1(E)
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