MESON Chess Problem Database

Problem Display
PID: 10023 (8/3n4/1Q3p2/3pR3/r2p1kP1/1N5P/4bK2/8 w - - 0 1)

Maslanka, Ludwik

Problem (Zagreb), 1961

8/3n4/1Q3p2/3pR3/r2p1kP1/1N5P/4bK2/8

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxd4#
    • 1...Ra2
      • 2.Qxd4#
    • 1...Ra3
      • 2.Qxd4#
    • 1...Ra5
      • 2.Qxd4#
    • 1...Ra6
      • 2.Qxd4#
    • 1...Ra7
      • 2.Qxd4#
    • 1...Ra8
      • 2.Qxd4#
    • 1...Bc4
      • 2.Qxd4#
    • 1...Sc5
      • 2.Qxf6#
    • 1...Sb8
      • 2.Qxf6#
    • 1...Sf8
      • 2.Qxf6#
    • 1...d3
      • 2.Qe3#
  • Keys
    • 1.Sc5!
      • threat
        • 2.Rf5#
      • 1...Kxe5
        • 2.Qc7#
      • 1...Bxg4
        • 2.Sd3#
      • 1...Sxc5
        • 2.Qxf6#
      • 1...Sxe5
        • 2.Qxf6#
      • 1...fxe5
        • 2.Qh6#
      • 1...f5
        • 2.Rxf5#
      • 1...Bd3
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 11
  • Sets
    • R(b);N_GUARD::QAR2(F),XP(c)
    • B(a);S_CUTR(b)::QAR2(F),XP(c)
    • S(g);N_GUARD::QAR2(F),XP(f)
    • P(c);OGATE::QAB1(F)
  • Actual
    • S(B);
    • Threat
      • R1(E)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(E)::QAB(F)
      • B(a);N_GUARD,XP(D)::S(B)
      • S(g);N_GUARD,XS(B)::QAR2(F),XP(f)
      • S(g);N_GUARD,XR(E)::QAR2(F),XP(f)
      • P(f);OGATE,SBLOCK,XR(E)::QAB(F)
      • P(f);::R1(E),XP(f)
      • B(a);N_GUARD::S(B),XB(a)
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