MESON Chess Problem Database

Problem Display
PID: 43535 (3N4/2n2R2/8/b1B4R/3Nk3/3rp2K/r1B5/2n5 w - - 0 1)

Bayer, Konrad

1st Prize Set, La Strategie, 1875

3N4/2n2R2/8/b1B4R/3Nk3/3rp2K/r1B5/2n5

#2

7 + 7

135 The Westminster Papers 1876
285 The Chess Player's Chronicle (Staunton) 1877
508 Chess Chips 1878
56 The Problemist 1937

SOLUTION

  • SOUND
  • Tries
    • 1.Se2?
      • threat
        • 2.Sg3#
        • 2.Rf4#
      • 1...Be1
        • 2.Rf4#
      • 1...Sd5
        • 2.Sg3#
      • 1...Se6
        • 2.Sg3#
      • 1...Sxe2!
    • 1.Rh4+?
      • 1...Ke5
        • 2.Rf5#
      • 1...Kd5!
    • 1.Re7+?
      • 1...Kf4
        • 2.Bd6#
        • 2.Rf5#
      • 1...Se6!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sg3#
        • 2.Sd6#
      • 1...e2+
        • 2.Sg3#
      • 1...Kf3
        • 2.Sg3#
      • 1...Kf4
        • 2.Sg3#
        • 2.Sd6#
      • 1...Kd5
        • 2.Sd6#
      • 1...Ke5
        • 2.Sg3#
        • 2.Sd6#
      • 1...Rxc2
        • 2.Sg3#
      • 1...Be1
        • 2.Sd6#
      • 1...Se2
        • 2.Sd6#
      • 1...Sb5
        • 2.Sg3#
      • 1...Se8
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::R1(F)
        • S(g);::S(C)
      • Refutation
        • S(a);XS(C)
    • Try
      • R(E);CHECK
      • Vars
        • K(e);N_SPINR(c),P-FLIGHT::R1(F)
      • Refutation
        • K(e);N_SPINR(c),S_FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • S(g);P_SPINS(g)
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • P(d);CHECK::S(C)
      • K(e);N_SPINR(c),S_FLIGHT::R(F)+S(C)
      • K(e);N_SPINR(c),S_FLIGHT::R(E)+S(C)
      • R(b);N_SPINR(c),XB(A)::S(C)
      • B(f);::S(C)
      • S(a);::S(C)
      • S(g);::S(C)
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