MESON Chess Problem Database

Problem Display
PID: 234820 (3K3B/6R1/5R2/1np4p/B3p2r/p4p1r/pkp3p1/qb2Q1b1 w - - 0 1)

Dolginovich, Nikolai Osipovich

Revista Romana de Sah, 1979

3K3B/6R1/5R2/1np4p/B3p2r/p4p1r/pkp3p1/qb2Q1b1

#2

6 + 15

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rb7?
      • threat
        • 2.Rxb5#
      • 1...f2
        • 2.Rf3#
      • 1...e3
        • 2.Rf4#
      • 1...c1S!
  • Keys
    • 1.Rb6!
      • threat
        • 2.Rxb5#
      • 1...c1S
        • 2.Rxg2#
      • 1...f2
        • 2.Rg3#
      • 1...e3
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);P_PINS(m)
      • Threat
        • R(D),XS(m)
      • Vars
        • P(i);S_CUTB(c)::B(F)+R(C)
        • P(k);S_CUTB(c)::B(F)+R(C)
      • Refutation
        • P(f);
  • Actual
    • R(C);P_PINS(m)
    • Threat
      • R(C),XS(m)
    • Vars
      • P(f);::B(F)+R(D),DCHECK,XP(g)
      • P(i);S_CUTB(c)::B(F)+R(D)
      • P(k);S_CUTB(c)::B(F)+R(D)
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