MESON Chess Problem Database

Problem Display
PID: 6606 (3n4/8/6K1/1B2N3/4kPpp/6b1/3Q3n/7b w - - 0 1)

Keres, Paul P

Eesti Maleilm, 1932

3n4/8/6K1/1B2N3/4kPpp/6b1/3Q3n/7b

#2

5 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sc6
      • 2.Bxc6#
    • 1...Se6
      • 2.Bc6#
    • 1...Sb7
      • 2.Bc6#
    • 1...Sf7
      • 2.Bc6#
  • Tries
    • 1.Bd7?
      • threat
        • 2.Bf5#
      • 1...Se6
        • 2.Bc6#
      • 1...Bxf4!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Sg5#
      • 1...Kf3
        • 2.Sg5#
      • 1...Bxf4
        • 2.Qd3#
      • 1...Sxf7
        • 2.Bc6#
      • 1...Sf3
        • 2.Sd6#
      • 1...Se6
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(g);N_GUARD::B(C),XS(g)
    • S(g);N_GUARD::B(C)
  • Tries
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • S(g);N_GUARD::B(C)
      • Refutation
        • B(c);XP(B)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(d);S_FLIGHT::S(D)
      • B(c);SBLOCK,XP(B)::QAB1(A)
      • S(g);N_GUARD,XS(D)::B(C)
      • S(b);SBLOCK::S(D)
      • S(g);N_GUARD::B(C)
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Developed and maintained by Brian Stephenson.
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