MESON Chess Problem Database

Problem Display
PID: 160016 (3r2r1/8/B6b/2N2b2/8/2Q2R2/3nN1n1/2K1k3 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Freie Presse, 1969

3r2r1/8/B6b/2N2b2/8/2Q2R2/3nN1n1/2K1k3

#2

6 + 7

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4?
      • threat
        • 2.Rf1#
      • 1...Bd3
        • 2.Qxd2#
      • 1...Se3
        • 2.Qxe3#
      • 1...Rd3!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Rf1#
      • 1...Bd3
        • 2.Sxd3#
      • 1...Se3
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • R1(D)
      • Vars
        • B(d);S_CUTR(f)::QAB1(C),XS(b)
        • S(c);N_GUARD::QAR2(C),XS(c)
      • Refutation
        • R(f);
  • Actual
    • S(B);
    • Threat
      • R1(D)
    • Vars
      • B(d);N_GUARD::S(E),XB(d)
      • S(c);S_CUTB(e)::QAB1(C),XS(b)
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