MESON Chess Problem Database

Problem Display
PID: 242766 (8/2B1NK2/bPNP4/P1k1P2p/Ppn3pr/2R1P1Qp/B4P2/8 w - - 0 1)

Bakcsi, Gyorgy

Hlas l'udu, 1980

8/2B1NK2/bPNP4/P1k1P2p/Ppn3pr/2R1P1Qp/B4P2/8

#2

14 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bb7
      • 2.Rxc4#
    • 1...Bc8
      • 2.Rxc4#
  • Tries
    • 1.Sxb4?
      • threat
        • 2.Sd3#
        • 2.Sxa6#
      • 1...Bb5
        • 2.Sd3#
      • 1...Bb7
        • 2.Sd3#
        • 2.Rxc4#
      • 1...Bc8
        • 2.Sd3#
        • 2.Rxc4#
      • 1...Kxb4!
    • 1.Sb8?
      • threat
        • 2.Sxa6#
        • 2.Sd7#
      • 1...bxc3
        • 2.Sxa6#
      • 1...b3
        • 2.Sxa6#
      • 1...Bb7
        • 2.Sd7#
        • 2.Rxc4#
      • 1...Bc8
        • 2.Rxc4#
      • 1...Bb5!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Rd5#
      • 1...Sxe5+
        • 2.Qxe5#
      • 1...Sxd6+
        • 2.Bxd6#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...Sxb6
        • 2.Bxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(h);N_GUARD::R1(C),XS(c)
  • Tries
    • Try
      • S(J);XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • B(h);::S(J)
      • Refutation
        • K(f);N_SPINS(c),S_FLIGHT,XS(J)
    • Try
      • S(J);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);N_SPINS(c),XR(C)::S(J),XB(h)
        • P(b);::S(J),XB(h)
        • B(h);N_GUARD::R1(C),XS(c)
      • Refutation
        • B(h);
  • Actual
    • R(C);N_PINS(c)
    • Threat
      • R1(C)
    • Vars
      • S(c);CHECK,OGATE,XP(H)::QAR2(E),XS(c)
      • S(c);CHECK,OGATE,XP(K)::B(L),XS(c)
      • S(c);OGATE,XP(D)::QAB(E),XS(c)
      • S(c);OGATE,XP(I)::B(L),XS(c)
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