MESON Chess Problem Database

Problem Display
PID: 107660 (1N3K2/PP1pPp2/Q5p1/R1Bk1q2/1P1P2B1/N1p1PP2/b6b/4r3 w - - 0 1)

Bakcsi, Gyorgy

Revista Romana de Sah, 1984

1N3K2/PP1pPp2/Q5p1/R1Bk1q2/1P1P2B1/N1p1PP2/b6b/4r3

#2

14 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Bd6#
    • 1...Qc2
      • 2.Bd6#
    • 1...Qe4
      • 2.Bd6#
    • 1...Qe6
      • 2.Bd6#
    • 1...Qxf3
      • 2.Bxf3#
    • 1...Qf4
      • 2.Bd6#
    • 1...Qe5
      • 2.Bd6#
    • 1...Qg5
      • 2.Bd6#
    • 1...Qh5
      • 2.Bd6#
    • 1...Qf6
      • 2.Bd6#
    • 1...Bb1
      • 2.Qc4#
    • 1...Bc4
      • 2.Qxc4#
    • 1...Bg1
      • 2.Qd6#
    • 1...Bd6
      • 2.Qxd6#
  • Tries
    • 1.Bb6+?
      • 1...Kd6
        • 2.Bd8#
      • 1...Ke6!
    • 1.e8S?
      • threat
        • 2.Be7#
      • 1...Bd6+
        • 2.Qxd6#
      • 1...Qxf3
        • 2.Bxf3#
      • 1...d6
        • 2.Sc7#
      • 1...Qd3
        • 2.Sf6#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Bc7
        • 2.Sxc7#
      • 1...Rxe3!
  • Keys
    • 1.a8S!
      • threat
        • 2.Ba7#
      • 1...Qxf3
        • 2.Bxf3#
      • 1...Bd6
        • 2.Qxd6#
      • 1...d6
        • 2.Sc7#
      • 1...Qd3
        • 2.Sb6#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Bc7
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 11
  • Sets
    • Q(f);::R(G)+B(H)
    • Q(f);OGATE,XP(C)::B(F),XQ(f)
    • B(b);N_GUARD::QAB1(I)
    • B(b);N_GUARD::QAB1(I),XB(b)
    • B(c);N_GUARD::QAR1(I)
    • B(c);N_GUARD,P_PINP(L)::QAR1(I),XB(c)
  • Tries
    • Try
      • B(H);CHECK
      • Vars
        • K(e);P-FLIGHT::QAR(I)+B(H)
      • Refutation
        • K(e);P_SPINQ(f),S_FLIGHT
    • Try
      • P(L);
      • Threat
        • R(G)+B(H)
      • Vars
        • B(c);CHECK,N_GUARD::QAR1(I),XB(c)
        • Q(f);OGATE,XP(C)::B(F),XQ(f)
        • P(h);S_CUTB(c)::S(L)
        • Q(f);N_GUARD::S(L)
        • B(b);N_GUARD::QAB1(I),XB(b)
        • B(c);N_GUARD::S(L),XB(c)
      • Refutation
        • R(a);XP(B)
  • Actual
    • P(J);
    • Threat
      • R(G)+B(H)
    • Vars
      • Q(f);OGATE,XP(C)::B(F),XQ(f)
      • B(c);N_GUARD,P_PINP(L)::QAR1(I),XB(c)
      • P(h);S_CUTB(c)::S(J)
      • Q(f);::S(J)
      • B(b);N_GUARD::QAB1(I),XB(b)
      • B(c);N_GUARD::S(J),XB(c)
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