MESON Chess Problem Database

Problem Display
PID: 96786 (8/1p1B4/2p5/2pkp3/2pP3Q/qn6/N1nNPK2/1b6 w - - 0 1)

Verdaguer, JAS

Problemas, 1971

8/1p1B4/2p5/2pkp3/2pP3Q/qn6/N1nNPK2/1b6

#2

7 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qf6?
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Qd6#
      • 1...Scxd4
        • 2.Sc3#
      • 1...Sbxd4
        • 2.e4#
      • 1...exd4
        • 2.Qe6#
      • 1...e4
        • 2.Sc3#
        • 2.Qe5#
      • 1...cxd4!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Qd6#
      • 1...Scxd4
        • 2.Sc3#
      • 1...Sbxd4
        • 2.e4#
      • 1...cxd4
        • 2.Be6#
      • 1...exd4
        • 2.Qe6#
      • 1...e4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAR1(F),XP(h)
      • Vars
        • K(g);P-FLIGHT,P_SPINP(h),XP(E)::QAR2(F)
        • S(b);SBLOCK,XP(E)::S(A)
        • S(d);SBLOCK,XP(E)::P(C)
        • P(h);SBLOCK,XP(E)::QAB1(F)
      • Refutation
        • P(f);XP(E)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F),XP(h)
    • Vars
      • K(g);P-FLIGHT,XP(E)::QAR2(F)
      • S(b);SBLOCK,XP(E)::S(A)
      • S(d);SBLOCK,XP(E)::P(C)
      • P(f);SBLOCK,XP(E)::B(G)
      • P(h);SBLOCK,XP(E)::QAB1(F)
      • P(h);::QAR1(F)
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