MESON Chess Problem Database

Problem Display
PID: 45316 (3R4/5pK1/8/2Pnk3/1nB1N3/5Q2/3N1P1b/8 w - - 0 1)

Talmi, Itzhak

7th Place, Match: Great Britain - Israel, 1962

3R4/5pK1/8/2Pnk3/1nB1N3/5Q2/3N1P1b/8

#2

8 + 5

3841 The Art of Israeli Chess Composition 1983

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc3#
    • 1...Ke6
      • 2.Qf6#
    • 1...Sc3
      • 2.Qf6#
    • 1...Se3
      • 2.Qf6#
    • 1...Sb6
      • 2.Qf6#
    • 1...Sf6
      • 2.Qxf6#
    • 1...Sc7
      • 2.Qf6#
    • 1...Se7
      • 2.Qf6#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe3#
      • 1...Ke6
        • 2.Qf6#
      • 1...Sxc3
        • 2.Qf6#
      • 1...Sf6
        • 2.Qxf6#
      • 1...f5!
    • 1.Sg3?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe3#
      • 1...Ke6
        • 2.Qe2#
        • 2.Qe4#
        • 2.Qe3#
        • 2.Qf6#
      • 1...Sc3
        • 2.Qf5#
        • 2.Qf6#
      • 1...Sf6
        • 2.Qf5#
        • 2.Qxf6#
      • 1...f5!
    • 1.Sg5?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe3#
      • 1...Sc3
        • 2.Sxf7#
        • 2.Qf6#
      • 1...Sf6
        • 2.Sxf7#
        • 2.Qxf6#
      • 1...f5!
    • 1.Rxd5+?
      • 1...Ke6
        • 2.Qf6#
        • 2.Qxf7#
      • 1...Sxd5!
    • 1.Re8+?
      • 1...Se7
        • 2.Qf6#
      • 1...Kd4!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe3#
      • 1...Ke6
        • 2.Re8#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sc3
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • K(d);P_SPINS(c),S_FLIGHT::QAB1(C)
    • K(d);P-FLIGHT,P_SPINS(c)::QAR1(C)
    • S(c);N_GUARD::QAB1(C)
    • S(c);N_GUARD::QAB1(C),XS(c)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR1(C)
      • Vars
        • K(d);P_SPINS(c),S_FLIGHT::QAB1(C)
        • K(d);P-FLIGHT,P_SPINS(c)::QAR1(C)
        • S(c);N_GUARD,XS(E)::QAB1(C)
        • S(c);N_GUARD::QAB1(C),XS(c)
      • Refutation
        • P(e);
    • Try
      • S(E);
      • Threat
        • QAR1(C)
      • Vars
        • K(d);P_SPINS(c),S_FLIGHT::QAB1(C)
      • Refutation
        • P(e);
    • Try
      • S(E);
      • Threat
        • QAR1(C)
      • Vars
        • K(d);P_SPINS(c),S_FLIGHT::QAB1(C)
      • Refutation
        • P(e);
    • Try
      • R(H);CHECK,XS(c)
      • Refutation
        • S(b);XR(H)
    • Try
      • R(H);CHECK
      • Vars
        • S(c);P_SPINS(c)::QAB1(C)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(E);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);P_SPINS(c),S_FLIGHT::QAB1(C)
      • K(d);P-FLIGHT,P_SPINS(c)::R(H)
      • S(c);OGATE,XS(E)::QAB1(C),XS(c)
      • S(c);::S(E)
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