MESON Chess Problem Database

Problem Display
PID: 109680 (1r6/8/1pB5/1K6/6Q1/5R2/3p1P1p/3RnkNr w - - 0 1)

Wenda, Jan

UJCS, 1951

1r6/8/1pB5/1K6/6Q1/5R2/3p1P1p/3RnkNr

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rf5?
      • threat
        • 2.Qg2#
      • 1...Rxg1
        • 2.Qc4#
      • 1...hxg1Q
        • 2.Qc4#
      • 1...hxg1S
        • 2.Bg2#
      • 1...hxg1B
        • 2.Bg2#
        • 2.Qc4#
      • 1...hxg1R
        • 2.Qc4#
      • 1...Rg8!
    • 1.Rf6?
      • threat
        • 2.Qg2#
      • 1...Rxg1
        • 2.Qc4#
      • 1...hxg1Q
        • 2.Qc4#
      • 1...hxg1S
        • 2.Bg2#
      • 1...hxg1B
        • 2.Bg2#
        • 2.Qc4#
      • 1...hxg1R
        • 2.Qc4#
      • 1...Rg8!
    • 1.Rf7?
      • threat
        • 2.Qg2#
      • 1...Rxg1
        • 2.Qc4#
      • 1...hxg1Q
        • 2.Qc4#
      • 1...hxg1S
        • 2.Bg2#
      • 1...hxg1B
        • 2.Bg2#
        • 2.Qc4#
      • 1...hxg1R
        • 2.Qc4#
      • 1...Rg8!
  • Keys
    • 1.Rf8!
      • threat
        • 2.Qg2#
      • 1...Rxg1
        • 2.Qc4#
      • 1...hxg1Q
        • 2.Qc4#
      • 1...hxg1S
        • 2.Bg2#
      • 1...hxg1B
        • 2.Bg2#
        • 2.Qc4#
      • 1...hxg1R
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • QAB1(E)
      • Vars
        • R(c);SBLOCK,XS(B)::QAB(E)
        • P(e);SBLOCK,XS(B)::QAB(E)
        • P(e);SBLOCK,XS(B)::B(G)
      • Refutation
        • R(g);
    • Try
      • R(D);
      • Threat
        • QAB1(E)
      • Vars
        • R(c);SBLOCK,XS(B)::QAB(E)
        • P(e);SBLOCK,XS(B)::QAB(E)
        • P(e);SBLOCK,XS(B)::B(G)
      • Refutation
        • R(g);
    • Try
      • R(D);
      • Threat
        • QAB1(E)
      • Vars
        • R(c);SBLOCK,XS(B)::QAB(E)
        • P(e);SBLOCK,XS(B)::QAB(E)
        • P(e);SBLOCK,XS(B)::B(G)
      • Refutation
        • R(g);
  • Actual
    • R(D);
    • Threat
      • QAB1(E)
    • Vars
      • R(c);SBLOCK,XS(B)::QAB(E)
      • P(e);SBLOCK,XS(B)::QAB(E)
      • P(e);SBLOCK,XS(B)::B(G)
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