MESON Chess Problem Database

Problem Display
PID: 57197 (3R4/K2b3r/2pPP3/Q1nk1NR1/4p1N1/1PPp4/8/6b1 w - - 0 1)

Guidelli, Giorgio

3rd Prize, Brisbane Courier, 1918

3R4/K2b3r/2pPP3/Q1nk1NR1/4p1N1/1PPp4/8/6b1

#2

10 + 8

14744 Nuova Antologia dei Problemisti Italiani 1992
5424 Versunkene Schatze 1998
56 The Problemist 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe6+
      • 2.Se7#
    • 1...Bc8+
      • 2.Sg7#
    • 1...Be8+
      • 2.Sg7#
  • Tries
    • 1.Qb5?
      • threat
        • 2.Qc4#
      • 1...Bxe6+
        • 2.Se7#
      • 1...Bc8+
        • 2.Sg7#
      • 1...Be8+
        • 2.Sg7#
      • 1...Kxe6
        • 2.Qc4#
      • 1...cxb5!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qc4#
      • 1...Bxe6+
        • 2.Se7#
      • 1...Bc8+
        • 2.Sg7#
      • 1...Be8+
        • 2.Sg7#
      • 1...Sxb3+
        • 2.Sd4#
      • 1...Sa4+
        • 2.Sd4#
      • 1...Sa6+
        • 2.Sd4#
      • 1...Sxe6+
        • 2.Sfe3#
      • 1...Sb7+
        • 2.Sd4#
      • 1...Kxe6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(g);CHECK,SBLOCK,XP(H)::R(F)+S(E),DCHECK
    • B(g);CHECK::R(F)+S(E)
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAB1(D)
      • Vars
        • B(g);CHECK,SBLOCK,XP(H)::R(F)+S(E),DCHECK
        • B(g);CHECK::R(F)+S(E)
        • K(e);N_SPINS(d),S_FLIGHT,XP(H)::QAB(D)
      • Refutation
        • P(f);N_SPINS(d),XQ(D)
  • Actual
    • Q(D);N_PINS(d)
    • Threat
      • QAB1(D)
    • Vars
      • B(g);CHECK,SBLOCK,XP(H)::R(F)+S(E),DCHECK
      • B(g);CHECK::R(F)+S(E)
      • S(d);CHECK,XP(A)::R(F)+S(E)
      • S(d);CHECK::R(F)+S(E)
      • S(d);CHECK,SBLOCK,XP(H)::R(F)+S(E),DCHECK
      • K(e);S_FLIGHT,XP(H)::QAB(D)
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Developed and maintained by Brian Stephenson.
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