MESON Chess Problem Database

Problem Display
PID: 16733 (4q1N1/1Bp5/p1RP2nr/K1B5/4kbP1/R2n4/N2rpQ2/8 w - - 0 1)

Buglos, Janos

3rd Prize, Raketa, 1942/II

4q1N1/1Bp5/p1RP2nr/K1B5/4kbP1/R2n4/N2rpQ2/8

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Qg2#
    • 1...Bh2
      • 2.Qf5#
    • 1...Be3
      • 2.Qf5#
    • 1...Bg3
      • 2.Qf5#
    • 1...Bg5
      • 2.Qf5#
    • 1...Bxd6
      • 2.Qf5#
    • 1...Sde5
      • 2.Sf6#
    • 1...Sge5
      • 2.Sc3#
  • Keys
    • 1.d7!
      • threat
        • 2.Re6#
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Qe5
        • 2.Qg2#
      • 1...Qe6
        • 2.Rxe6#
      • 1...Be5
        • 2.Rxc7#
      • 1...Bd6
        • 2.Qf5#
      • 1...Sde5
        • 2.Sf6#
      • 1...Sge5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • Q(j);P_PINB(F),SBLOCK::QAB(B)
    • B(e);OGATE::QAB1(B)
    • B(e);OGATE,XP(H)::QAB1(B)
    • S(c);SBLOCK::S(J)
    • S(g);SBLOCK::S(A)
  • Actual
    • P(H);
    • Threat
      • B(I)+R(G),DCHECK
    • Vars
      • K(d);S_FLIGHT::QAR1(B)
      • K(d);P-FLIGHT::QAB1(B)
      • Q(j);P_PINB(F),SBLOCK::QAB(B)
      • Q(j);::B(I)+R(G),DCHECK,XQ(j)
      • B(e);SBLOCK::B(I)+R(G),XP(i)
      • B(e);OGATE::QAB1(B)
      • S(c);SBLOCK::S(J)
      • S(g);SBLOCK::S(A)
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