MESON Chess Problem Database

Problem Display
PID: 118259 (5Q2/7k/6r1/2NK2P1/8/8/8/1B6 w - - 0 1)

Pypa, Volodimir Iosifovich

Sinfonie Scacchistiche, 1982

5Q2/7k/6r1/2NK2P1/8/8/8/1B6

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Se4!
      • threat
        • 2.Sf6#
      • 1...Rxg5+
        • 2.Sxg5#
      • 1...Rd6+
        • 2.Sxd6#
      • 1...Rf6
        • 2.Sxf6#
      • 1...Rg8
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(B);N_PINR(a)
    • Threat
      • S(B)
    • Vars
      • R(a);CHECK,XP(D)::B(A)+S(B),DCHECK,XR(a)
      • R(a);CHECK::B(A)+S(B),XR(a)
      • R(a);::B(A)+S(B),DCHECK,XR(a)
      • R(a);N_GUARD,SBLOCK::QAR1(E)
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