MESON Chess Problem Database

Problem Display
PID: 125573 (8/2N2p1R/7p/N3k2n/3p2R1/8/K2n4/5Q2 w - - 0 1)

Gold, Samuel

Montreal Gazette, 1893

8/2N2p1R/7p/N3k2n/3p2R1/8/K2n4/5Q2

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Sc4#
    • 1...Sb3
      • 2.Sc4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...Se4
      • 2.Sc4#
    • 1...Sg3
      • 2.Qf4#
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sf6
      • 2.Qf4#
    • 1...Sg7
      • 2.Qf4#
  • Keys
    • 1.Qxf7!
      • threat
        • 2.Qe6#
      • 1...Kd6
        • 2.Qd5#
        • 2.Qe7#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Sg7
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • S(a);N_GUARD::S(D)
    • S(a);N_GUARD::S(D),XS(a)
    • S(d);N_GUARD::QAB1(A)
    • S(d);N_GUARD::QAB1(A),XS(d)
  • Actual
    • Q(A);XP(f)
    • Threat
      • QAR1(A)
    • Vars
      • S(d);N_GUARD::QAB1(A),XS(d)
      • S(d);N_GUARD::QAB1(A)
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