MESON Chess Problem Database

Problem Display
PID: 15903 (2RR2K1/3n4/N2b1p2/1P1kpQ2/2r1p3/Bn2P3/B7/8 w - - 0 1)

Buglos, Janos

4th HM., Bertin MT, 1989-1991

2RR2K1/3n4/N2b1p2/1P1kpQ2/2r1p3/Bn2P3/B7/8

#2

9 + 8

702 Phenix 1991

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Bxc4#
    • 1...Sc1
      • 2.Bxc4#
    • 1...Sd4
      • 2.Bxc4#
    • 1...Sbc5
      • 2.Sb4#
    • 1...Sdc5
      • 2.Sc7#
    • 1...Sb6
      • 2.Rxd6#
    • 1...Sb8
      • 2.Rxd6#
    • 1...Sf8
      • 2.Rxd6#
  • Tries
    • 1.Qxd7?
      • threat
        • 2.Qxd6#
        • 2.Qf7#
      • 1...Rxc8
        • 2.Qf7#
      • 1...Rc5
        • 2.Rxc5#
        • 2.Qf7#
      • 1...Rc6
        • 2.Qf7#
      • 1...Sd4
        • 2.Sb4#
        • 2.Sc7#
        • 2.Bxc4#
        • 2.Rc5#
        • 2.Qxd6#
      • 1...Sc5
        • 2.Sb4#
        • 2.Sc7#
        • 2.Rxc5#
        • 2.Qxd6#
      • 1...Rc7!
  • Keys
    • 1.Kf7!
      • threat
        • 2.Qe6#
      • 1...Sd4
        • 2.Bxc4#
      • 1...Sbc5
        • 2.Sb4#
      • 1...Sdc5
        • 2.Sc7#
      • 1...Sf8
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • S(a);OGATE,P_SPINR(b)::B(A),XR(b)
    • S(a);P_SPINR(b),S_CUTB(f)::S(F)
    • S(h);P_SPINB(f),S_CUTR(b)::S(F)
    • S(h);OGATE,P_SPINB(f)::R1(H),XB(f)
  • Tries
    • Try
      • Q(E);N_PINP(e),P_PINB(f),XS(h)
      • Threat
        • DUALS(2)
      • Vars
        • R(b);P_PINR(H),P_SPINS(a),XR(G)::QAB(E)
        • R(b);P_SPINS(a)::QAB(E)
      • Refutation
        • R(b);P_SPINS(a)
  • Actual
    • K(I);S_FLIGHT
    • Threat
      • QAB1(E)
    • Vars
      • S(a);OGATE,P_SPINR(b)::B(A),XR(b)
      • S(a);P_SPINR(b),S_CUTB(f)::S(F)
      • S(h);P_SPINB(f),S_CUTR(b)::S(F)
      • S(h);OGATE,P_SPINB(f)::R1(H),XB(f)
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