MESON Chess Problem Database

Problem Display
PID: 121059 (6B1/3p4/NRbknB2/4R3/4p3/4P3/8/7K w - - 0 1)

Goldschmidt, Josef

Bahamane, 1950

6B1/3p4/NRbknB2/4R3/4p3/4P3/8/7K

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Rd5#
    • 1...Sc5
      • 2.Rd5#
    • 1...Sg5
      • 2.Rd5#
    • 1...Sg7
      • 2.Rd5#
    • 1...Sd8
      • 2.Rd5#
    • 1...Sf8
      • 2.Rd5#
  • Tries
    • 1.Rxe6+?
      • 1...Kd5
        • 2.Rexc6#
      • 1...dxe6!
  • Keys
    • 1.Rxe4!
      • 1...Kd5
        • 2.Rd4#
      • 1...Sc7
        • 2.Be7#
      • 1...Sd4
        • 2.Be7#
      • 1...Sf4
        • 2.Be7#
      • 1...Sc5
        • 2.Be7#
      • 1...Sg5
        • 2.Be7#
      • 1...Sg7
        • 2.Be7#
      • 1...Sd8
        • 2.Be7#
      • 1...Sf8
        • 2.Be7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 6
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(d);::R1(C)
  • Tries
    • Try
      • R(C);CHECK,XS(d)
      • Vars
        • K(c);N_SPINB(b),OGATE,P-FLIGHT::B(G)+R(C),XB(b)
      • Refutation
        • P(e);XR(C)
  • Actual
    • R(C);P_SPINR(C),XP(a)
    • Vars
      • K(c);N_PINR(C),N_SPINB(b),P-FLIGHT,P_SPINS(d)::R1(C)
      • S(d);::B(F)
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