MESON Chess Problem Database

Problem Display
PID: 6851 (7k/7P/7Q/8/2rN2K1/8/8/B7 w - - 0 1)

Lebedev, Aleksandr N

Els Escacs a Catalunya, 1934

7k/7P/7Q/8/2rN2K1/8/8/B7

#2

5 + 2

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1949
3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Sets
    • 1...Rc2
      • 2.Sxc2#
    • 1...Rxd4+
      • 2.Bxd4#
    • 1...Rc6
      • 2.Sxc6#
    • 1...Rc8
      • 2.Sc6#
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qg8#
      • 1...Rxd4+
        • 2.Bxd4#
      • 1...Rc8
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(a);N_PINS(B)::B(A)+S(B),XR(a)
    • R(a);CHECK,OGATE,P_SPINR(a),XS(B)::B(A),XR(a)
    • R(a);N_PINS(B)::B(A)+S(B)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • R(a);CHECK,OGATE,P_SPINR(a),XS(B)::B(A),XR(a)
      • R(a);N_PINS(B)::B(A)+S(B)
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