MESON Chess Problem Database

Problem Display
PID: 176543 (b2RR3/b7/1p1PP3/3kN1Q1/1Pp1r3/2n5/2P1N1B1/1n5K w - - 0 1)

Bakcsi, Gyorgy

Schach-Echo, 1980

b2RR3/b7/1p1PP3/3kN1Q1/1Pp1r3/2n5/2P1N1B1/1n5K

#2

11 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Sd3#
      • 2.Sg4#
      • 2.Sg6#
      • 2.Sf7#
  • Tries
    • 1.Rc8?
      • threat
        • 2.Sxc4#
        • 2.Sf7#
      • 1...Kxd6
        • 2.Sf7#
      • 1...Bc6
        • 2.Sf7#
      • 1...Sxe2!
    • 1.Qd2+?
      • 1...Kxe5
        • 2.Qg5#
      • 1...Sxd2!
    • 1.Qe3?
      • threat
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qg5#
      • 1...Sxe2
        • 2.Qxe4#
      • 1...Sb5
        • 2.Qxe4#
      • 1...b5!
    • 1.b5?
      • threat
        • 2.Sd3#
        • 2.Sg4#
        • 2.Sc6#
        • 2.Sg6#
        • 2.Sf7#
      • 1...Kc5
        • 2.Sd3#
      • 1...Sxe2
        • 2.Sc6#
      • 1...Bc6
        • 2.Sd3#
        • 2.Sg4#
        • 2.Sxc6#
        • 2.Sg6#
        • 2.Sf7#
      • 1...Sxb5!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sec6#
      • 1...Kxd4
        • 2.Sf3#
      • 1...Bc6
        • 2.Sexc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(J);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);N_SPINR(d),P-FLIGHT,XP(H)::S(F)
        • B(h);::QAR(G)+S(F)
      • Refutation
        • S(b);XS(C)
    • Try
      • Q(G);CHECK
      • Vars
        • K(e);N_SPINR(d),OGATEB,P-FLIGHT,XS(F)::QAR2(G)
      • Refutation
        • S(a);XQ(G)
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • K(e);OGATEB,P-FLIGHT,XS(F)::QAR2(G)
        • S(b);N_GUARD,XS(C)::QAB1(G),XR(d)
        • S(b);N_GUARD::QAB1(G),XR(d)
      • Refutation
        • P(f);
    • Try
      • P(E);
      • Threat
        • DUALS(5)
      • Vars
        • K(e);N_SPINR(d),P-FLIGHT::QAR(G)+S(F),DCHECK
        • S(b);XS(C)::QAR(G)+S(F)
      • Refutation
        • S(b);XP(E)
  • Actual
    • S(C);
    • Threat
      • QAR(G)+S(F)
    • Vars
      • K(e);N_SPINR(d),P-FLIGHT,XS(C)::S(F)
      • B(h);::QAR(G)+S(F),XB(h)
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