MESON Chess Problem Database

Problem Display
PID: 158920 (1K6/8/8/4Qn1p/2R5/4P1nB/5BPb/5k1N w - - 0 1)

Guidelli, Giorgio

1st HM., Surrey Weekly Press, 1921

1K6/8/8/4Qn1p/2R5/4P1nB/5BPb/5k1N

#2

8 + 5

6230 Ajedrez Artistico 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.g3#
      • 2.g4#
  • Tries
    • 1.Qb2?
      • threat
        • 2.Rc1#
      • 1...Sxh1+
        • 2.g3#
      • 1...Se2+
        • 2.g3#
      • 1...Se4+
        • 2.g3#
      • 1...Sxe3!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Rc1#
      • 1...Sxh1+
        • 2.Rf4#
      • 1...Se2+
        • 2.g3#
      • 1...Se4+
        • 2.Rc7#
      • 1...Ke2
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);
      • Threat
        • R(F)
      • Vars
        • S(c);CHECK,OGATE,XS(A)::B(E)+P(C)
        • S(c);CHECK,OGATE::B(E)+P(C)
      • Refutation
        • S(d);XP(D)
  • Actual
    • Q(G);
    • Threat
      • QAB(G)+R(F),DCHECK
    • Vars
      • S(c);CHECK,N_GUARD,XS(A)::QAB(G)+R(F)
      • S(c);CHECK,OGATE,SBLOCK::B(E)+P(C)
      • S(c);CHECK,N_GUARD::QAB(G)+R(F)
      • K(a);S_FLIGHT::QAB(G)+R(F)
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