MESON Chess Problem Database

Problem Display
PID: 242833 (Qn3N2/4Pp1p/3B2p1/4Pk2/6Rp/4qN1K/p7/1b6 w - - 0 1)

Bakcsi, Gyorgy

Thema Danicum, 1995

Qn3N2/4Pp1p/3B2p1/4Pk2/6Rp/4qN1K/p7/1b6

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Sd4#
      • 2.Sxh4#
    • 1...Qg1
      • 2.Sxh4#
    • 1...Qd2
      • 2.Sxh4#
    • 1...Qd4
      • 2.Sxd4#
      • 2.Sxh4#
    • 1...Qf4
      • 2.Sxh4#
    • 1...Qc5
      • 2.Sxh4#
    • 1...Qg5
      • 2.Sd4#
    • 1...Qb6
      • 2.Sxh4#
    • 1...Qh6
      • 2.Sd4#
    • 1...Qa7
      • 2.Sxh4#
    • 1...Qe1
      • 2.Sd4#
    • 1...Qe2
      • 2.Sd4#
      • 2.Sxh4#
    • 1...Qxf3+
      • 2.Qxf3#
    • 1...Qe4
      • 2.Sxh4#
    • 1...Sa6
      • 2.Qc8#
    • 1...Sc6
      • 2.Qc8#
  • Tries
    • 1.Qe4+?
      • 1...Qxe4
        • 2.Sxh4#
      • 1...Bxe4!
    • 1.e8Q?
      • threat
        • 2.Qxf7#
      • 1...Qxf3+
        • 2.Qxf3#
      • 1...Qxe5
        • 2.Qxe5#
      • 1...Qg5
        • 2.Sd4#
      • 1...Qa7
        • 2.Sxh4#
      • 1...Sd7
        • 2.Qxd7#
      • 1...f6
        • 2.Qe6#
      • 1...Qb3!
  • Keys
    • 1.e8S!
      • threat
        • 2.Sg7#
      • 1...Qxf3+
        • 2.Qxf3#
      • 1...Qxe5
        • 2.Sxh4#
      • 1...Qh6
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • Q(c);N_PINS(A)::S(A),XP(d)
    • Q(c);N_PINS(A)::S(A)
    • Q(c);CHECK,OGATE,XS(A)::QAR2(G),XQ(c)
    • S(i);OGATE::QAB(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • Q(c);N_PINS(A),XQ(G)::S(A),XP(d)
      • Refutation
        • B(a);XQ(G)
    • Try
      • P(F);
      • Threat
        • QAR2(F),XP(g)
      • Vars
        • Q(c);CHECK,OGATE,XS(A)::QAR2(G),XQ(c)
        • Q(c);N_PINS(A),OGATE,XP(D)::QAR1(F),XQ(c)
        • Q(c);N_PINS(A)::S(A)
        • Q(c);N_PINS(A)::S(A),XP(d)
        • S(i);N_GUARD::QAB(F),XS(i)
        • P(g);N_GUARD::QAB1(F)
      • Refutation
        • Q(c);
  • Actual
    • P(F);
    • Threat
      • S(F)
    • Vars
      • Q(c);CHECK,OGATE,XS(A)::QAR2(G),XQ(c)
      • Q(c);N_PINS(A),XP(D)::S(A),XP(d)
      • Q(c);N_PINS(A)::S(A)
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