MESON Chess Problem Database

Problem Display
PID: 95788 (8/8/1n4bR/b1N2P2/p1k3P1/P1P4K/1Q3BB1/8 w - - 0 1)

Chicco, Adriano

Stocchi, Ottavio

L'Italia Scacchistica, 1942

8/8/1n4bR/b1N2P2/p1k3P1/P1P4K/1Q3BB1/8

#2

10 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc3
      • 2.Qe2#
    • 1...Bb4
      • 2.Qxb4#
    • 1...Sd5
      • 2.Bf1#
  • Tries
    • 1.Qb1?
      • threat
        • 2.Qd3#
      • 1...Kxc3
        • 2.Qc1#
      • 1...Bxf5!
  • Keys
    • 1.Rh4!
      • threat
        • 2.g5#
      • 1...Bxc3
        • 2.Qe2#
      • 1...Bxf5
        • 2.gxf5#
      • 1...Bb4
        • 2.Qxb4#
      • 1...Bh5
        • 2.gxh5#
      • 1...Sd5
        • 2.Bf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK,XP(E)::QAB(A)
    • B(c);N_GUARD::QAR1(A),XB(c)
    • S(d);SBLOCK::B(C)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(E)::QAR2(A)
      • Refutation
        • B(e);P_PINP(G),XP(I)
  • Actual
    • R(J);
    • Threat
      • R(J)+P(G)
    • Vars
      • B(c);SBLOCK,XP(E)::QAB(A)
      • B(e);OGATE,P_PINP(G),XP(I)::R(J)+P(G),XB(e)
      • B(c);N_GUARD::QAR1(A),XB(c)
      • B(e);OGATE::R(J)+P(G),XB(e)
      • S(d);SBLOCK::B(C)
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