MESON Chess Problem Database

Problem Display
PID: 230816 (8/1p2p3/brP5/1pk1rpK1/1p1R1P2/1P6/8/n2Q4 w - - 0 1)

Erlin, Konrad (AKA Erlinger, Konrad)

Tidskrift for Schack, 1913

8/1p2p3/brP5/1pk1rpK1/1p1R1P2/1P6/8/n2Q4

#2

6 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Rd7?
      • 1...Rxc6
        • 2.Qd4#
      • 1...Sxb3
        • 2.Qc2#
      • 1...bxc6
        • 2.Qd4#
      • 1...Re1
        • 2.Qd5#
      • 1...Re2
        • 2.Qd5#
      • 1...Re3
        • 2.Qd5#
      • 1...Re4
        • 2.Qd5#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Re6
        • 2.Qd5#
      • 1...Sc2
        • 2.Qxc2#
      • 1...e6
        • 2.Qd6#
      • 1...Kxc6!
  • Keys
    • 1.Rd8!
      • 1...Kxc6
        • 2.Rc8#
      • 1...Rxc6
        • 2.Qd4#
      • 1...Sxb3
        • 2.Qc2#
      • 1...bxc6
        • 2.Qd4#
      • 1...Re1
        • 2.Qd5#
      • 1...Re2
        • 2.Qd5#
      • 1...Re3
        • 2.Qd5#
      • 1...Re4
        • 2.Qd5#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Re6
        • 2.Qd5#
      • 1...Sc2
        • 2.Qxc2#
      • 1...e6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • R(h);SBLOCK,XP(F)::QAB1(A)
        • S(a);N_GUARD,XP(B)::QAR(A)
        • P(i);SBLOCK,XP(F)::QAB1(A)
        • R(e);N_GUARD::QAR1(A)
        • R(e);N_GUARD::QAR1(A),XR(e)
        • S(a);N_GUARD::QAR(A),XS(a)
        • P(j);N_GUARD::QAB1(A)
      • Refutation
        • K(d);P-FLIGHT,XP(F)
  • Actual
    • R(C);
    • Vars
      • K(d);OGATEB,P-FLIGHT,XP(F)::R(C)
      • R(h);SBLOCK,XP(F)::QAB1(A)
      • S(a);N_GUARD,XP(B)::QAR(A)
      • P(i);SBLOCK,XP(F)::QAB1(A)
      • R(e);N_GUARD::QAR1(A)
      • R(e);N_GUARD::QAR1(A),XR(e)
      • S(a);N_GUARD::QAR(A),XS(a)
      • P(j);N_GUARD::QAB1(A)
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