MESON Chess Problem Database

Problem Display
PID: 249161 (8/BNp5/p1P5/Rn1kNK2/3PR3/2p5/2P3n1/7B w - - 0 1)

de Blasio, Francis JC

The Chess Problem, 1946

(First published on Wed Aug 28 1946)

8/BNp5/p1P5/Rn1kNK2/3PR3/2p5/2P3n1/7B

#2

10 + 6

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Rxe1#
    • 1...Se3+
      • 2.Rxe3#
    • 1...Sf4
      • 2.Rxf4#
    • 1...Sh4+
      • 2.Rxh4#
  • Tries
    • 1.Kf6?
      • 1...Se1
        • 2.Rxe1#
      • 1...Se3
        • 2.Rxe3#
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sh4
        • 2.Rxh4#
      • 1...Kxe4!
    • 1.Bb6?
      • 1...Se3+
        • 2.Rxe3#
      • 1...Sh4+
        • 2.Rxh4#
      • 1...Se1
        • 2.Rxe1#
      • 1...Sf4
        • 2.Rxf4#
      • 1...cxb6!
  • Keys
    • 1.Bc5!
      • 1...Se3+
        • 2.Rxe3#
      • 1...Sh4+
        • 2.Rxh4#
      • 1...Sxd4+
        • 2.Bxd4#
        • 2.Rxd4#
      • 1...Sd6+
        • 2.Bxd6#
      • 1...Se1
        • 2.Rxe1#
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sa3
        • 2.Bxa3#
      • 1...Sa7
        • 2.Bxa7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATEB::B(A)+R(D),XS(a)
    • S(a);CHECK,OGATEB::B(A)+R(D),XS(a)
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Vars
        • S(a);OGATEB::B(A)+R(D),XS(a)
      • Refutation
        • K(d);N_SPINS(c),P_SPINS(a),S_FLIGHT,XR(D)
    • Try
      • B(I);
      • Vars
        • S(a);CHECK,OGATEB::B(A)+R(D),XS(a)
        • S(a);OGATEB::B(A)+R(D),XS(a)
      • Refutation
        • P(f);XB(I)
  • Actual
    • B(I);N_PINS(c)
    • Vars
      • S(a);CHECK,OGATEB::B(A)+R(D),XS(a)
      • S(c);CHECK,OGATEB::R(E)+B(I),XS(c)
      • S(a);OGATEB::B(A)+R(D),XS(a)
      • S(c);OGATEB::R(E)+B(I),XS(c)
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