MESON Chess Problem Database

Problem Display
PID: 158253 (5RN1/5n2/R1p1P3/1P1Pk1pK/Q5P1/B2p1rP1/3P3p/7B w - - 0 1)

Kiss, Janos

2nd HM., Jerusalem Post, 1951/II

(First published on Fri Sep 28 1951)

5RN1/5n2/R1p1P3/1P1Pk1pK/Q5P1/B2p1rP1/3P3p/7B

#2

13 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Qe4#
    • 1...Rf2
      • 2.Qe4#
    • 1...Rxg3
      • 2.Qe4#
    • 1...Rf5
      • 2.Qe4#
    • 1...Rf6
      • 2.Qe4#
  • Keys
    • 1.Sf6!
      • 1...Kxf6
        • 2.Qd4#
      • 1...Rxg3
        • 2.Sd7#
      • 1...Rxf6
        • 2.Qe4#
      • 1...cxb5
        • 2.Bb2#
      • 1...cxd5
        • 2.Sd7#
      • 1...Rf1
        • 2.Sd7#
      • 1...Rf2
        • 2.Sd7#
      • 1...Re3
        • 2.Sd7#
      • 1...Rf4
        • 2.Sd7#
      • 1...Rf5
        • 2.Sd7#
      • 1...Sd6
        • 2.Bb2#
      • 1...Sh6
        • 2.Qe4#
      • 1...Sd8
        • 2.Qe4#
      • 1...Sh8
        • 2.Qe4#
      • 1...c5
        • 2.Bb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(c);::QAR1(E)
    • R(c);XP(D)::QAR1(E)
  • Actual
    • S(M);
    • Vars
      • K(d);P_SPINS(g),S_FLIGHT,XS(M)::QAB(E)
      • R(c);XP(D)::S(M)
      • R(c);SBLOCK,XS(M)::QAR1(E)
      • P(f);XP(G)::B(C)
      • P(f);SBLOCK,XP(H)::S(M)
      • R(c);::S(M)
      • S(g);SBLOCK::B(C)
      • S(g);::QAR1(E)
      • P(f);::B(C)
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