MESON Chess Problem Database

Problem Display
PID: 55954 (8/3p1K2/r2P1R2/2p1kpN1/2P1Pr2/1Nn2p2/7Q/8 w - - 0 1)

Kuzovkov, Aleksandr S

3rd Prize, Halkidiki Quick Ty., 2004

8/3p1K2/r2P1R2/2p1kpN1/2P1Pr2/1Nn2p2/7Q/8

#2

8 + 8

102 Probleemblad 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd6
      • 2.Rxf5#
    • 1...Sxe4
      • 2.Sxf3#
    • 1...fxe4
      • 2.Qxf4#
  • Tries
    • 1.Ke7?
      • threat
        • 2.Rxf5#
      • 1...Sxe4
        • 2.Sxf3#
        • 2.Sf7#
      • 1...fxe4
        • 2.Sf7#
        • 2.Qxf4#
      • 1...Sd5+!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qxc3#
      • 1...Rxe4
        • 2.Sxf3#
      • 1...Rxd6
        • 2.Qxd6#
      • 1...Sxe4
        • 2.Qd5#
      • 1...Rg4
        • 2.Rxf5#
      • 1...Rh4
        • 2.Rxf5#
      • 1...Sb1
        • 2.Qd5#
      • 1...Sd1
        • 2.Qd5#
      • 1...Sa2
        • 2.Qd5#
      • 1...Se2
        • 2.Qd5#
      • 1...Sa4
        • 2.Qd5#
      • 1...Sb5
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 10
    • REMOVED MATES = 1
  • Sets
    • R(g);SBLOCK,XP(F)::R1(G),XP(f)
    • S(a);SBLOCK,XP(D)::S(E),XP(b)
    • P(f);P_PINR(G),XP(D)::QAB1(A),XR(c)
  • Tries
    • Try
      • K(H);P-FLIGHT
      • Threat
        • R1(G),XP(f)
      • Refutation
        • S(a);CHECK
  • Actual
    • Q(A);N_PINR(c)
    • Threat
      • QAB(A),XS(a)
    • Vars
      • R(c);N_GUARD,SBLOCK,XP(D)::S(E),XP(b)
      • R(g);OGATE,XP(F)::QAB1(A),XR(g)
      • S(a);N_GUARD,XP(D)::QAR1(A)
      • R(c);N_GUARD::R1(G),XP(f)
      • S(a);N_GUARD::QAR1(A)
      • S(a);N_GUARD::QAR1(A),XS(a)
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