MESON Chess Problem Database

Problem Display
PID: 194076 (4Q3/p5Kp/P4R2/k1B5/3P1p2/1P1P2P1/nn2p3/N2bb3 w - - 0 1)

Pasqualini, Giulio

L'Italia Scacchistica, 1917

4Q3/p5Kp/P4R2/k1B5/3P1p2/1P1P2P1/nn2p3/N2bb3

#2

10 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb3
      • 2.Sxb3#
    • 1...Sc3
      • 2.b4#
    • 1...Sxd3
      • 2.Qa4#
    • 1...Sa4
      • 2.Qxa4#
    • 1...Sc4
      • 2.Qa4#
  • Tries
    • 1.Rb6?
      • threat
        • 2.Qb5#
      • 1...Sc3
        • 2.b4#
      • 1...axb6!
  • Keys
    • 1.Be7!
      • threat
        • 2.Qh5#
      • 1...Bxb3
        • 2.Sxb3#
      • 1...Sxd3
        • 2.Qa4#
      • 1...Bb4
        • 2.Bd8#
      • 1...Sc3
        • 2.b4#
      • 1...Sb4
        • 2.Bd8#
      • 1...Sa4
        • 2.Qxa4#
      • 1...Sc4
        • 2.Qa4#
      • 1...h5
        • 2.Qxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);XP(B)::S(A),XB(a)
    • S(c);N_GUARD,S_CUTB(b)::P(B)
    • S(d);N_GUARD,XP(C)::QAR1(J)
    • S(d);N_GUARD::QAR1(J),XS(d)
    • S(d);N_GUARD::QAR1(J)
  • Tries
    • Try
      • R(H);
      • Threat
        • QAR1(J)
      • Vars
        • S(c);N_GUARD,S_CUTB(b)::P(B)
      • Refutation
        • P(h);XR(H)
  • Actual
    • B(F);
    • Threat
      • QAB1(J)
    • Vars
      • B(a);XP(B)::S(A),XB(a)
      • S(d);N_GUARD,XP(C)::QAR1(J)
      • B(b);SBLOCK::B(F)
      • S(c);N_GUARD,S_CUTB(b)::P(B)
      • S(c);SBLOCK::B(F)
      • S(d);N_GUARD::QAR1(J),XS(d)
      • S(d);N_GUARD::QAR1(J)
      • P(i);::QAB1(J),XP(i)
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Developed and maintained by Brian Stephenson.
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