MESON Chess Problem Database

Problem Display
PID: 31327 (4R3/B1QR4/1nb1p3/3pr3/1P2kbP1/4Pp2/8/1K1N1B2 w - - 0 1)

Bunka, Vladislav

Hlas l'udu, 1991

4R3/B1QR4/1nb1p3/3pr3/1P2kbP1/4Pp2/8/1K1N1B2

#2

10 + 8

3449 Czech Album (1988-1990) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Qxf4#
    • 1...Rh5
      • 2.Qxf4#
    • 1...Bb7
      • 2.Qc2#
    • 1...Bxd7
      • 2.Qc2#
    • 1...Ba8
      • 2.Qc2#
    • 1...Sa4
      • 2.Sf2#
    • 1...Sc4
      • 2.Sf2#
      • 2.Sc3#
    • 1...Sxd7
      • 2.Sf2#
      • 2.Sc3#
    • 1...Sa8
      • 2.Sf2#
      • 2.Sc3#
    • 1...Sc8
      • 2.Sf2#
      • 2.Sc3#
    • 1...d4
      • 2.Rxd4#
  • Tries
    • 1.Qxb6?
      • threat
        • 2.Sf2#
        • 2.Sc3#
        • 2.Qd4#
      • 1...Bxe3
        • 2.Qxe3#
      • 1...Rf5
        • 2.Qd4#
      • 1...Rg5
        • 2.Qd4#
      • 1...Rh5
        • 2.Qd4#
      • 1...Bg3
        • 2.Sc3#
        • 2.Qd4#
      • 1...d4
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...f2!
  • Keys
    • 1.Rxd5!
      • threat
        • 2.Rd4#
      • 1...Kxd5
        • 2.Sc3#
      • 1...Rxd5
        • 2.Qxf4#
      • 1...Bxe3
        • 2.Qxe5#
      • 1...Bxd5
        • 2.Qc2#
      • 1...Sxd5
        • 2.Sf2#
      • 1...exd5
        • 2.Qh7#
      • 1...f2
        • 2.Bg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 7
  • Sets
    • R(e);OGATE,P_SPINP(h)::QAR1(H),XB(c)
    • B(g);OGATE::QAB(H)
    • B(g);OGATE,XR(I)::QAB(H)
    • S(f);::S(B)
    • P(d);OGATE::R1(I),XP(d)
  • Tries
    • Try
      • Q(H);XS(f)
      • Threat
        • DUALS(3)
      • Vars
        • B(c);OGATE,XP(D)::QAR1(H),XB(c)
        • R(e);P_SPINP(h)::QAR1(H)
      • Refutation
        • P(a);
  • Actual
    • R(I);XP(d)
    • Threat
      • R1(I)
    • Vars
      • K(b);S_FLIGHT,XR(I)::S(B)
      • R(e);OGATE,P_SPINP(h),SBLOCK,XR(I)::QAR1(H),XB(c)
      • B(c);N_GUARD,XP(D)::QAR1(H),XR(e)
      • B(g);OGATE,SBLOCK,XR(I)::QAB(H)
      • S(f);SBLOCK,XR(I)::S(B)
      • P(h);P_SPINR(e),SBLOCK,XR(I)::QAB(H)
      • P(a);OGATEB::B(C)
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