MESON Chess Problem Database

Problem Display
PID: 150324 (4B2K/3n1N2/1p1rP3/1Pkb1R2/1p1N4/1PqnBP2/5p2/2R2Q2 w - - 0 1)

Adabashev, Mark Ivanovich

Die Schwalbe, 1937

4B2K/3n1N2/1p1rP3/1Pkb1R2/1p1N4/1PqnBP2/5p2/2R2Q2

#2

12 + 9

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qc2
      • 2.Rxc2#
    • 1...Qc4
      • 2.Rxc4#
    • 1...S3e5
      • 2.Sc6#
    • 1...S7e5
      • 2.Se2#
    • 1...Sf6
      • 2.Se2#
  • Tries
    • 1.Sg5?
      • threat
        • 2.Se4#
      • 1...S3e5
        • 2.Sc6#
      • 1...S7e5
        • 2.Se2#
      • 1...Sf6
        • 2.Se2#
      • 1...Rxe6!
  • Keys
    • 1.Sd8!
      • threat
        • 2.Sb7#
      • 1...S3e5
        • 2.S4c6#
      • 1...S7e5
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • Q(b);N_PINS(F),OGATEB::R(A),XQ(b)
    • Q(b);N_PINS(F),OGATE::R1(A),XQ(b)
    • S(c);N_PINS(F),N_SPINB(f)::B(D)+S(F)
    • S(i);N_PINS(F),N_SPINB(f)::B(D)+S(F)
    • S(i);N_PINS(F)::B(D)+S(F)
  • Tries
    • Try
      • S(J);
      • Threat
        • S(J)
      • Vars
        • S(c);N_PINS(F),N_SPINB(f)::B(D)+S(F)
        • S(i);N_PINS(F),N_SPINB(f)::B(D)+S(F)
        • S(i);N_PINS(F)::B(D)+S(F)
      • Refutation
        • R(h);XP(I)
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • S(c);N_PINS(F),N_SPINB(f)::B(D)+S(F)
      • S(i);N_PINS(F),N_SPINB(f)::B(D)+S(F)
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Developed and maintained by Brian Stephenson.
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