MESON Chess Problem Database

Problem Display
PID: 98865 (8/5p2/2p4R/K1Q4p/4kNqR/8/7N/2B5 w - - 0 1)

Stoyanov, Kiril N

Problemas, 1970

8/5p2/2p4R/K1Q4p/4kNqR/8/7N/2B5

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Re6#
      • 2.Qe3#
  • Tries
    • 1.Qxc6+?
      • 1...Ke5
        • 2.Qd5#
      • 1...Kf5
        • 2.Qd5#
      • 1...Kd4!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Rd4#
      • 1...Qd1
        • 2.Se2#
      • 1...Qd7
        • 2.Se6#
      • 1...Qg1
        • 2.Sg2#
      • 1...Qg7
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK,XP(d)
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(G);
    • Threat
      • R1(G)
    • Vars
      • Q(b);::R(D)+S(C)
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