MESON Chess Problem Database

Problem Display
PID: 277898 (1r3bnK/2B1kpp1/b3P1Pp/2NPNp2/BQ5q/8/4R3/3r4 w - - 0 1)

Salardini, Erio

Schackvarlden, 1931

1r3bnK/2B1kpp1/b3P1Pp/2NPNp2/BQ5q/8/4R3/3r4

#2

10 + 11

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Qxh4#
    • 1...Qf6
      • 2.Sb7#
    • 1...Ra8
      • 2.Se4#
    • 1...Rc8
      • 2.Se4#
    • 1...Re8
      • 2.Se4#
    • 1...Bb7
      • 2.Se4#
  • Tries
    • 1.Sb7+?
      • 1...Kf6
        • 2.Qxh4#
      • 1...Qxb4!
    • 1.Sc6+?
      • 1...Ke8
        • 2.exf7#
        • 2.gxf7#
      • 1...Kf6!
    • 1.d6+?
      • 1...Kf6
        • 2.Qxh4#
      • 1...Rxd6!
  • Keys
    • 1.exf7!
      • threat
        • 2.fxg8S#
      • 1...Kf6
        • 2.Qxh4#
      • 1...Rb5
        • 2.Sg4#
      • 1...Bb5
        • 2.Se4#
      • 1...Sf6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • K(f);S_CUTP(g),S_CUTS(k),S_FLIGHT::QAB(C),XQ(b)
    • Q(b);N_GUARD,SBLOCK::QAB(C)+S(D)
    • R(i);N_GUARD::QAB(C)+S(D)
    • B(d);S_CUTR(i)::QAB(C)+S(D)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(f);S_CUTP(g),S_CUTS(k),S_FLIGHT::QAB(C),XQ(b)
      • Refutation
        • Q(b);XQ(C)
    • Try
      • S(F);CHECK
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • P(E);CHECK
      • Vars
        • K(f);S_FLIGHT::QAB(C),XQ(b)
      • Refutation
        • R(a);XP(E)
  • Actual
    • P(G);XP(g)
    • Threat
      • PXS(k)=S
    • Vars
      • K(f);S_CUTS(k),S_FLIGHT::QAB(C),XQ(b)
      • R(i);S_CUTB(d)::R(A)+S(F)
      • B(d);S_CUTR(i)::QAB(C)+S(D)
      • S(k);SBLOCK::R(A)+S(F),DCHECK
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