MESON Chess Problem Database

Problem Display
PID: 275868 (4Bq2/4pP2/1R6/1p1k4/p3NP2/1r1P1Pn1/Q5K1/b5B1 w - - 0 1)

Zilahi, Zoltan

Western Morning News, 1926

(First published on Sat Jun 5 1926)

4Bq2/4pP2/1R6/1p1k4/p3NP2/1r1P1Pn1/Q5K1/b5B1

#2

10 + 8

15239 Valois Notebooks 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Bc3
      • 2.Sxc3#
    • 1...Sxe4
      • 2.fxe4#
    • 1...a3
      • 2.Qxb3#
    • 1...e5
      • 2.Sf6#
    • 1...e6
      • 2.Bc6#
  • Tries
    • 1.Bd7?
      • threat
        • 2.Be6#
        • 2.Rxb5#
      • 1...Qxf7
        • 2.Rxb5#
      • 1...Sxe4
        • 2.Be6#
        • 2.fxe4#
      • 1...Qh6
        • 2.Rxb5#
      • 1...Qb8
        • 2.Be6#
      • 1...Bd4
        • 2.Be6#
      • 1...b4
        • 2.Be6#
        • 2.Rb5#
      • 1...e5
        • 2.Sf6#
        • 2.Be6#
      • 1...e6
        • 2.Bc6#
        • 2.Bxe6#
      • 1...Qc8!
  • Keys
    • 1.Qf2!
      • threat
        • 2.Qc5#
      • 1...Sxe4
        • 2.fxe4#
      • 1...Rb2
        • 2.Sc3#
      • 1...Rc3
        • 2.Qd4#
      • 1...Bd4
        • 2.Qxd4#
      • 1...e5
        • 2.Sf6#
      • 1...e6
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::S(F),XB(a)
    • S(c);OGATE,XS(F)::P(E),XS(c)
    • P(d);N_GUARD::QAB(B),XR(b)
    • P(g);N_GUARD,S_CUTB(a)::S(F)
    • P(g);SBLOCK::B(J)
  • Tries
    • Try
      • B(J);
      • Threat
        • DUALS(2)
      • Vars
        • Q(h);XP(I)::R(H),XP(e)
        • Q(h);::R(H),XP(e)
        • Q(h);::B(J)
        • B(a);::B(J)
      • Refutation
        • Q(h);
  • Actual
    • Q(B);N_PINR(b)
    • Threat
      • QAR1(B)
    • Vars
      • S(c);OGATE,XS(F)::P(E),XS(c)
      • R(b);N_GUARD,P_PINQ(B),S_CUTB(a)::S(F)
      • R(b);S_CUTB(a)::QAR1(B)
      • B(a);N_GUARD::QAR1(B),XB(a)
      • P(g);N_GUARD,S_CUTB(a)::S(F)
      • P(g);SBLOCK::B(J)
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