MESON Chess Problem Database

Problem Display
PID: 35634 (3Q4/1p2K3/8/2pRP3/2N1k1B1/b3P3/6n1/3R2n1 w - - 0 1)

Gorbatenko, Yuri Grigorevich

Probleemblad, 1993

3Q4/1p2K3/8/2pRP3/2N1k1B1/b3P3/6n1/3R2n1

#2

8 + 6

3705 Album Russia (1992-1994) 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Rf1?
      • threat
        • 2.Bf5#
      • 1...Sxe3
        • 2.Sd2#
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sh4
        • 2.Rf4#
      • 1...Sf3!
    • 1.R1d3?
      • threat
        • 2.Sd2#
        • 2.Sd6#
      • 1...Bc1
        • 2.Sd6#
      • 1...Bb4
        • 2.Sd6#
      • 1...Sf3
        • 2.Sd6#
      • 1...Sxe3!
    • 1.Rxc5?
      • threat
        • 2.Rd4#
        • 2.Qd3#
        • 2.Qd4#
        • 2.Qd5#
      • 1...Sxe3
        • 2.Rd4#
        • 2.Qd4#
      • 1...Bb2
        • 2.Qd3#
        • 2.Qd5#
      • 1...Se2
        • 2.Qd3#
        • 2.Qd5#
      • 1...Sf3
        • 2.Qd3#
        • 2.Qd5#
      • 1...Se1
        • 2.Rd4#
        • 2.Qd4#
        • 2.Qd5#
      • 1...Sf4
        • 2.Rd4#
        • 2.Qd4#
      • 1...Bxc5+!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qf5#
      • 1...Sxe3
        • 2.Sd6#
      • 1...Sh4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • B(D)
      • Vars
        • S(b);SBLOCK,XP(B)::S(C)
        • S(b);N_GUARD::R1(A),XS(b)
        • S(b);N_GUARD::R1(A)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);::S(C)
        • S(a);::S(C)
      • Refutation
        • S(b);XP(B)
    • Try
      • R(E);P_SPINR(E),XP(e)
      • Threat
        • DUALS(4)
      • Refutation
        • B(c);CHECK,XR(E)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • S(b);SBLOCK,XP(B)::S(C)
      • S(b);N_GUARD::QAR1(H)
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