MESON Chess Problem Database

Problem Display
PID: 144722 (2B1b2K/B3Np2/1n3Q1n/1P6/2p1kppR/2P5/4p2q/4N1b1 w - - 0 1)

Salardini, Erio

Chess, 1954

2B1b2K/B3Np2/1n3Q1n/1P6/2p1kppR/2P5/4p2q/4N1b1

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qd4#
    • 1...Bd4
      • 2.Qxd4#
    • 1...Sd7
      • 2.Bb7#
    • 1...g3
      • 2.Qxf4#
  • Tries
    • 1.Bb8?
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Qd4#
      • 1...Bd4
        • 2.Qxd4#
      • 1...f3
        • 2.Qxf3#
      • 1...Sd7!
    • 1.Bf5+?
      • 1...Ke3
        • 2.Qd4#
      • 1...Sxf5!
    • 1.Bb7+?
      • 1...Ke3
        • 2.Qd4#
      • 1...Sd5
        • 2.Bxd5#
      • 1...Bc6!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Qd4#
      • 1...Kd5
        • 2.Qe5#
      • 1...fxg6
        • 2.Qe6#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Sd7
        • 2.Bb7#
      • 1...f3
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(e);P-FLIGHT,P_SPINS(h)::QAB1(E)
    • B(a);N_GUARD,P_PINQ(E)::QAR1(E),XB(a)
    • S(h);N_GUARD,S_CUTB(k)::B(H)
    • P(g);P_SPINP(f),S_CUTQ(c)::QAR1(E),XP(f)
  • Tries
    • Try
      • B(F);
      • Threat
        • QAR1(E)
      • Vars
        • K(e);P-FLIGHT::QAB1(E)
        • B(a);N_GUARD,P_PINQ(E)::QAR1(E),XB(a)
        • P(f);OGATE,P_SPINP(g)::QAB1(E),XP(f)
      • Refutation
        • S(h);
    • Try
      • B(H);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINS(h)::QAB1(E)
      • Refutation
        • S(i);P_PINR(C),XB(H)
    • Try
      • B(H);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINS(h)::QAB1(E)
        • S(h);N_GUARD,P_SPINS(h)::B(H),XS(h)
      • Refutation
        • B(k);P_SPINB(k)
  • Actual
    • S(G);
    • Threat
      • QAR1(E)
    • Vars
      • K(e);P-FLIGHT,P_SPINS(h)::QAB1(E)
      • K(e);S_FLIGHT::QAR1(E)
      • P(j);N_GUARD,XS(G)::QAR2(E)
      • B(a);N_GUARD,P_PINQ(E)::QAR1(E),XB(a)
      • S(h);N_GUARD,S_CUTB(k)::B(H)
      • P(f);OGATE,P_SPINP(g)::QAB1(E),XP(f)
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