MESON Chess Problem Database

Problem Display
PID: 22190 (3R2QB/3p2nB/3ppp2/1Rn2b2/2pk1P2/2N5/3PP2K/8 w - - 0 1)

Bakcsi, Gyorgy

3rd Prize, Magyar Sakkelet, 1970

3R2QB/3p2nB/3ppp2/1Rn2b2/2pk1P2/2N5/3PP2K/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.e3#
    • 1...Bc2
      • 2.e3#
    • 1...Bd3
      • 2.e3#
    • 1...Bh3
      • 2.e3#
    • 1...Bg4
      • 2.e3#
    • 1...Sd3
      • 2.e3#
    • 1...Sh5
      • 2.Qg1#
    • 1...Se8
      • 2.Qg1#
    • 1...e5
      • 2.Qd5#
  • Keys
    • 1.Qxe6!
      • threat
        • 2.Qd5#
        • 2.Qe3#
        • 2.Qxd6#
        • 2.Qxf6#
      • 1...Bxe6
        • 2.e3#
      • 1...Scxe6
        • 2.Rd5#
      • 1...Sgxe6
        • 2.Bxf6#
      • 1...dxe6
        • 2.Rxd6#
      • 1...Be4
        • 2.Qxf6#
      • 1...Sd3
        • 2.Rd5#
        • 2.Qd5#
        • 2.Qe3#
        • 2.Qxd6#
        • 2.e3#
      • 1...Se4
        • 2.Rd5#
        • 2.Qd5#
      • 1...Sb7
        • 2.Rd5#
        • 2.Qd5#
        • 2.Qe3#
        • 2.Qxf6#
      • 1...Sh5
        • 2.Qd5#
        • 2.Qe3#
        • 2.Qxd6#
      • 1...Se8
        • 2.Qd5#
        • 2.Qe3#
      • 1...d5
        • 2.Qxd5#
        • 2.Qe3#
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 9
  • Sets
    • B(d);::P(B)
    • S(c);SBLOCK::P(B)
    • S(i);OGATE,P_SPINP(g)::QAB(I)
    • P(f);OGATE::QAR1(I)
  • Actual
    • Q(I);XP(f)
    • Threat
      • DUALS(4)
    • Vars
      • B(d);XQ(I)::P(B)
      • S(c);OGATE,XQ(I)::R1(F)
      • S(i);OGATE,P_SPINP(g),XQ(I)::B(J),XP(g)
      • P(h);OGATE,P_SPINP(e),XQ(I)::R(H),XP(e)
      • B(d);::QAB(I),XP(g)
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Developed and maintained by Brian Stephenson.
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