MESON Chess Problem Database

Problem Display
PID: 55162 (4R2B/2Qn4/N5p1/4b1P1/2P1k3/4P2P/3P4/2R1K3 w - - 0 1)

Retter, Yosef

Problem (Zagreb), 1964

4R2B/2Qn4/N5p1/4b1P1/2P1k3/4P2P/3P4/2R1K3

#2

11 + 4

3747 FIDE Album (1962-1964) 1968

SOLUTION

  • SOUND
  • Tries
    • 1.Ke2?
      • 1...Sc5
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Sb6
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Sf6
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Sb8
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Sf8
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Kf5!
    • 1.Qc6+?
      • 1...Kd3
        • 2.Sb4#
        • 2.Qxg6#
      • 1...Kf5!
    • 1.Qb7+?
      • 1...Kd3
        • 2.Sb4#
        • 2.Qb1#
      • 1...Kf5!
  • Keys
    • 1.Qxd7!
      • 1...Kf3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • Q(I);CHECK
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • Q(I);CHECK
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
  • Actual
    • Q(I);XS(d)
    • Vars
      • K(a);N_SPINB(b),S_FLIGHT::QAB1(I)
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