MESON Chess Problem Database

Problem Display
PID: 66814 (qr6/b2pNn2/8/7R/RnQPkp1K/6P1/4B3/1b1N4 w - - 0 1)

Pletenev, Nikolai Alexeyevich

8/9 Place, USSR Championship, 1992

qr6/b2pNn2/8/7R/RnQPkp1K/6P1/4B3/1b1N4

#2

9 + 9

5416 FIDE Album (1992-1994) (Annexe) 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Rb6
      • 2.d5#
    • 1...Bc5
      • 2.dxc5#
    • 1...Sc2
      • 2.Qd3#
    • 1...Sc6
      • 2.Qd5#
    • 1...Se5
      • 2.Rxe5#
    • 1...Sd6
      • 2.Re5#
    • 1...Sh6
      • 2.Re5#
    • 1...Sd8
      • 2.Re5#
    • 1...Sh8
      • 2.Re5#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Sf2#
        • 2.Sc3#
      • 1...Bxd4
        • 2.Qxd4#
      • 1...Sg5
        • 2.Sd6#
      • 1...Sa2
        • 2.Sf2#
      • 1...Sd3
        • 2.Sc3#
      • 1...Sd5
        • 2.Sf2#
      • 1...fxg3!
    • 1.Qe6+?
      • 1...Kxd4
        • 2.Qc4#
      • 1...Se5
        • 2.Qxe5#
      • 1...dxe6!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qxf4#
      • 1...Kxd4
        • 2.Qc4#
      • 1...fxg3
        • 2.Qe3#
      • 1...Sd3
        • 2.Sc3#
      • 1...Sd5
        • 2.Sf2#
      • 1...f3
        • 2.Qe3#
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 9
  • Sets
    • R(i);S_CUTB(e)::QAR(E)+P(F)
    • B(e);OGATE::QAR(E)+P(F),XB(e)
    • S(b);N_GUARD,S_CUTB(a)::QAB1(E)
    • S(b);N_GUARD,S_CUTQ(h)::QAB1(E)
    • S(g);N_GUARD::R1(H),XS(g)
    • S(g);N_GUARD::R1(H)
  • Tries
    • Try
      • S(I);
      • Threat
        • DUALS(2)
      • Vars
        • B(e);OGATE,P_SPINB(e),XP(F)::QAR1(E),XB(e)
        • S(g);N_GUARD::S(I)
        • S(b);::S(A)
      • Refutation
        • P(d);XP(C)
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);OGATEB,P-FLIGHT,P_SPINS(b),XP(F)::QAR1(E)
        • S(g);N_GUARD,P_SPINS(g)::QAR1(E),XS(g)
      • Refutation
        • P(f);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAR1(E),XP(d)
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_SPINS(b),XP(F)::QAR1(E)
      • P(d);N_GUARD,XP(C)::QAR1(E)
      • S(b);::S(A)
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