MESON Chess Problem Database

Problem Display
PID: 184329 (4R2B/Q2R1r2/1b6/1K1Nr3/nP1kP1n1/3p1P2/3P4/8 w - - 0 1)

Feldbrugge, Johannes Hermanus Bernardus

Tijdschrift vd KNSB, 1941

4R2B/Q2R1r2/1b6/1K1Nr3/nP1kP1n1/3p1P2/3P4/8

#2

10 + 7

15601 Albrecht-Leiss-Degener Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Se7#
    • 1...Sb2
      • 2.Qxb6#
    • 1...Sc3+
      • 2.dxc3#
    • 1...Sc5
      • 2.Qa1#
    • 1...Sf2
      • 2.Bxe5#
    • 1...Sh2
      • 2.Bxe5#
    • 1...Se3
      • 2.Bxe5#
      • 2.dxe3#
    • 1...Sh6
      • 2.Bxe5#
  • Tries
    • 1.Qxb6+?
      • 1...Sc5
        • 2.Se7#
        • 2.Qxc5#
      • 1...Sxb6!
  • Keys
    • 1.Rc8!
      • threat
        • 2.Rc4#
      • 1...Sc3+
        • 2.dxc3#
      • 1...Bc5
        • 2.Se7#
      • 1...Sb2
        • 2.Qxb6#
      • 1...Sc5
        • 2.Qa1#
      • 1...Se3
        • 2.dxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(f);N_PINS(F)::R(H)+S(F)
    • S(b);N_GUARD::QAB(G),XB(f)
    • S(b);CHECK,OGATE::P(A),XS(b)
    • S(b);N_PINS(F),N_SPINB(f),OGATE::QAB(G)
    • S(d);N_GUARD::B(J),XR(e)
  • Tries
    • Try
      • Q(G);CHECK,XB(f)
      • Refutation
        • S(b);XQ(G)
  • Actual
    • R(I);
    • Threat
      • R1(I)
    • Vars
      • S(b);CHECK,OGATE::P(A),XS(b)
      • B(f);N_PINS(F)::R(H)+S(F)
      • S(b);N_GUARD::QAB(G),XB(f)
      • S(b);N_PINS(F),N_SPINB(f),OGATE::QAB(G)
      • S(d);OGATE::P(A),XS(d)
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Developed and maintained by Brian Stephenson.
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