MESON Chess Problem Database

Problem Display
PID: 90113 (K5Bn/R4r2/1P3p2/1RBk4/P7/4PN2/4P3/3N3b w - - 0 1)

Soltsien, Kay

Die Schwalbe, 1956

K5Bn/R4r2/1P3p2/1RBk4/P7/4PN2/4P3/3N3b

#2

11 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bb4+?
      • 1...Ke4
        • 2.Sd2#
      • 1...Kc6
        • 2.Sd4#
      • 1...Ke6
        • 2.Re7#
      • 1...Kc4!
    • 1.Be7+?
      • 1...Kc4
        • 2.Rc7#
      • 1...Ke4
        • 2.Sd2#
      • 1...Kc6
        • 2.Sd4#
        • 2.Rc7#
      • 1...Ke6!
    • 1.Bf8+?
      • 1...Kc4
        • 2.Rc7#
      • 1...Ke4
        • 2.Sd2#
      • 1...Kc6
        • 2.Sd4#
      • 1...Ke6!
    • 1.e4+?
      • 1...Kc4
        • 2.Sd2#
      • 1...Kc6
        • 2.Sd4#
      • 1...Ke6
        • 2.Re7#
      • 1...Kxe4!
  • Keys
    • 1.Ba3+!
      • 1...Kc4
        • 2.Rc7#
      • 1...Ke4
        • 2.Sd2#
      • 1...Kc6
        • 2.Sd4#
      • 1...Ke6
        • 2.Re7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • K(b);N_SPINR(d),S_FLIGHT::S(D)
        • K(b);P_PINS(D),S_FLIGHT::R1(I)
      • Refutation
        • K(b);P_PINS(D),S_FLIGHT
    • Try
      • B(G);CHECK
      • Vars
        • K(b);P_PINS(D),S_FLIGHT::R(I)
        • K(b);N_SPINR(d),S_FLIGHT::S(D)
      • Refutation
        • K(b);P_PINS(D),S_FLIGHT
    • Try
      • B(G);CHECK
      • Vars
        • K(b);P_PINS(D),S_FLIGHT::R(I)
        • K(b);N_SPINR(d),S_FLIGHT::S(D)
      • Refutation
        • K(b);P_PINS(D),S_FLIGHT
    • Try
      • P(C);CHECK
      • Vars
        • K(b);S_FLIGHT::S(D)
        • K(b);N_SPINR(d),S_FLIGHT::S(D)
        • K(b);S_FLIGHT::R1(I)
      • Refutation
        • K(b);N_SPINR(d),S_FLIGHT,XP(C)
  • Actual
    • B(G);CHECK
    • Vars
      • K(b);P_PINS(D),S_FLIGHT::R(I)
      • K(b);N_SPINR(d),S_FLIGHT::S(D)
      • K(b);P_PINS(D),S_FLIGHT::R1(I)
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