MESON Chess Problem Database

Problem Display
PID: 198432 (8/8/8/8/5Q2/2kpp3/8/K2BR3 w - - 0 1)

Kalgin, Mikhail

Sachova skladba, 1997

8/8/8/8/5Q2/2kpp3/8/K2BR3

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...d2
      • 2.Rxe3#
  • Tries
    • 1.Kb1?
      • 1...Kd2
        • 2.Qb4#
      • 1...d2
        • 2.Rxe3#
      • 1...e2!
    • 1.Re2?
      • 1...d2
        • 2.Rxe3#
      • 1...dxe2!
  • Keys
    • 1.Ba4!
      • 1...Kd2
        • 2.Qb4#
      • 1...e2
        • 2.Rc1#
      • 1...d2
        • 2.Rxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB,SBLOCK::R(C),XP(c)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P_SPINP(c),S_FLIGHT::QAB(D)
        • P(b);OGATEB,SBLOCK::R(C),XP(c)
      • Refutation
        • P(c);
    • Try
      • R(C);
      • Vars
        • P(b);OGATEB,SBLOCK::R(C),XP(c)
      • Refutation
        • P(b);XR(C)
  • Actual
    • B(B);
    • Vars
      • K(a);P_SPINP(c),S_FLIGHT::QAB(D)
      • P(c);::R(C)
      • P(b);OGATEB,SBLOCK::R(C),XP(c)
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