MESON Chess Problem Database

Problem Display
PID: 65048 (6b1/B1n2p2/rrQ4K/1n2PB1P/1P1k1pN1/p2PqP2/3p4/3N4 w - - 0 1)

Kuzovkov, Aleksandr S

1st HM., Salazar JT (Problemas), 1986

6b1/B1n2p2/rrQ4K/1n2PB1P/1P1k1pN1/p2PqP2/3p4/3N4

#2

11 + 11

5159 FIDE Album (1986-1988) (Annexe) 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.Bxb6#
    • 1...Ra5
      • 2.Bxb6#
    • 1...Sd6
      • 2.Qc5#
    • 1...Se6
      • 2.Qc4#
    • 1...f6
      • 2.Qc5#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Qc5#
      • 1...Qxe5
        • 2.Qc4#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Se6
        • 2.Qd5#
      • 1...Kxe5!
    • 1.e6?
      • threat
        • 2.Qc4#
        • 2.Qc5#
      • 1...Qxd3
        • 2.Qc5#
      • 1...Sxe6
        • 2.Qc4#
      • 1...Qe4
        • 2.Qxe4#
        • 2.Qc4#
      • 1...Qe5
        • 2.Qc4#
      • 1...Sd6
        • 2.Qc5#
      • 1...Qxe6+!
  • Keys
    • 1.Be6!
      • threat
        • 2.Qc4#
      • 1...Kxd3
        • 2.Qc4#
      • 1...Qxd3
        • 2.Qc5#
      • 1...Sd6
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(g);N_GUARD::B(K),XR(h)
    • S(f);N_PINQ(I)::QAB1(I)
    • S(i);N_PINQ(I)::QAR1(I)
    • P(j);N_PINQ(I)::QAB1(I)
  • Tries
    • Try
      • S(E);N_SPINQ(I)
      • Threat
        • QAB1(I)
      • Vars
        • Q(c);SBLOCK,XP(F)::QAR1(I)
        • Q(c);N_GUARD::QAR1(I),XQ(c)
        • S(i);N_GUARD::QAR1(I),XS(i)
        • S(i);N_GUARD::QAR1(I)
      • Refutation
        • K(d);N_SPINR(h),S_FLIGHT,XP(F)
    • Try
      • P(F);N_SPINQ(I)
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);XP(B)::QAB1(I)
        • S(i);XP(F)::QAR1(I)
        • Q(c);::QAR1(I)
        • S(f);::QAB1(I)
      • Refutation
        • Q(c);CHECK,XP(F)
  • Actual
    • B(G);N_SPINQ(I)
    • Threat
      • QAR1(I)
    • Vars
      • K(d);N_SPINR(h),P-FLIGHT,XP(B)::QAB1(I)
      • Q(c);SBLOCK,XP(B)::QAB1(I)
      • S(f);N_GUARD::QAB1(I)
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