MESON Chess Problem Database

Problem Display
PID: 22162 (r6B/6R1/5R2/3p4/2Bkp3/QP4p1/6Nr/3K1N2 w - - 0 1)

Alaikov, Venelin

1st Prize, Shakhmatna misl, 1964

r6B/6R1/5R2/3p4/2Bkp3/QP4p1/6Nr/3K1N2

#2

9 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rc7?
      • threat
        • 2.Qb2#
      • 1...Kc3
        • 2.Rf3#
      • 1...Rxg2
        • 2.Rf8#
      • 1...Rxa3
        • 2.Rh6#
      • 1...dxc4
        • 2.Rd6#
      • 1...e3
        • 2.Rf4#
      • 1...Ke5!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Qb2#
      • 1...Kc3
        • 2.Rxg3#
      • 1...Ke5
        • 2.Rg5#
      • 1...Rxg2
        • 2.Rg8#
      • 1...Rxa3
        • 2.Rh7#
      • 1...dxc4
        • 2.Rd7#
      • 1...e3
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(H);
      • Threat
        • QAB(D)
      • Vars
        • K(c);S_FLIGHT::B(I)+R(G),DCHECK
        • R(a);N_GUARD,XS(C)::B(I)+R(G)
        • R(f);N_GUARD,XQ(D)::B(I)+R(G)
        • P(e);XB(F)::B(I)+R(G),DCHECK
        • P(d);::B(I)+R(G),DCHECK
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(G);
    • Threat
      • QAB(D)
    • Vars
      • K(c);S_FLIGHT::B(I)+R(H),DCHECK,XP(b)
      • K(c);S_FLIGHT::B(I)+R(H),DCHECK
      • R(a);N_GUARD,XS(C)::B(I)+R(H)
      • R(f);N_GUARD,XQ(D)::B(I)+R(H)
      • P(e);XB(F)::B(I)+R(H),DCHECK
      • P(d);::B(I)+R(H),DCHECK
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