MESON Chess Problem Database

Problem Display
PID: 201571 (8/8/8/3pR1p1/1P1k1p2/1P3P2/4P2Q/3K4 w - - 0 1)

Bachtikova, M

Ceskoslovenska republika, 1922

8/8/8/3pR1p1/1P1k1p2/1P3P2/4P2Q/3K4

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kc2?
      • 1...g4
        • 2.Qxf4#
      • 1...Kxe5!
    • 1.Kd2?
      • 1...g4
        • 2.Qxf4#
      • 1...Kxe5!
    • 1.Rxg5?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kc3!
  • Keys
    • 1.Re3!
      • 1...Kxe3
        • 2.Qg1#
      • 1...fxe3
        • 2.Qh8#
      • 1...g4
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(d);N_GUARD::QAR2(C),XP(b)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT,XR(G)
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(d);N_GUARD::QAR2(C),XP(b)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT,XR(G)
    • Try
      • R(G);XP(d)
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(G);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(G)::QAB(C)
      • P(b);SBLOCK,XR(G)::QAB(C)
      • P(d);N_GUARD::QAR2(C),XP(b)
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