MESON Chess Problem Database

Problem Display
PID: 42765 (5QB1/B3R3/rr6/p3p3/2p1kbNR/1pK2p2/3npp2/1b6 w - - 0 1)

Kuzovkov, Aleksandr S

1st Prize, Probleemblad 147. TT, 1985

5QB1/B3R3/rr6/p3p3/2p1kbNR/1pK2p2/3npp2/1b6

#2

7 + 13

3485 Sachova skladba 1985
3748 FIDE Album (1983-1985) 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Sxf2#
    • 1...Rb5
      • 2.Sxf2#
    • 1...Rc6
      • 2.Sxf2#
    • 1...Rd6
      • 2.Sxf2#
    • 1...Rg6
      • 2.Sxf2#
    • 1...Rh6
      • 2.Sxf2#
    • 1...Rb7
      • 2.Sxf2#
    • 1...Rb8
      • 2.Sxf2#
    • 1...Be3
      • 2.Sxf2#
      • 2.Rxe5#
    • 1...Bg5
      • 2.Rxe5#
    • 1...Bh6
      • 2.Rxe5#
  • Tries
    • 1.Rh5?
      • threat
        • 2.Qf5#
      • 1...Rf6
        • 2.Sxf2#
      • 1...Bg5
        • 2.Rxe5#
      • 1...Re6!
    • 1.Rd7?
      • threat
        • 2.Bd5#
      • 1...Rb5
        • 2.Sxf2#
      • 1...Rd6
        • 2.Sxf2#
      • 1...Re6
        • 2.Sxf2#
      • 1...Rf6!
  • Keys
    • 1.Se3!
      • threat
        • 2.Qxf4#
      • 1...Kxe3
        • 2.Qxf4#
      • 1...Re6
        • 2.Qf5#
      • 1...Rf6
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • R(m);::S(B),XP(d)
    • B(i);N_GUARD::R1(E),XP(k)
  • Tries
    • Try
      • R(C);
      • Threat
        • QAB1(F)
      • Vars
        • R(m);::S(B),XP(d)
        • B(i);N_GUARD::R1(E),XP(k)
      • Refutation
        • R(m);N_SPINP(k)
    • Try
      • R(E);N_PINP(k)
      • Threat
        • B(G)
      • Vars
        • R(m);::S(B),XP(d)
      • Refutation
        • R(m);
  • Actual
    • S(B);P_PINB(i)
    • Threat
      • QAR1(F),XB(i)
    • Vars
      • K(h);N_SPINB(i),P-FLIGHT,P_SPINR(m),XS(B)::QAB1(F),XB(i)
      • R(m);N_SPINP(k)::QAB1(F)
      • R(m);::B(G)
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