MESON Chess Problem Database

Problem Display
PID: 57664 (B2R2N1/3n1K2/2r1P3/2nk1p2/3P1b1R/8/1N6/4Q1B1 w - - 0 1)

Hartong, Jan

Het Belgisch Schaakbord (L'Echiquier Belge), 1954

B2R2N1/3n1K2/2r1P3/2nk1p2/3P1b1R/8/1N6/4Q1B1

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Qe5#
    • 1...Bd2
      • 2.Qe5#
    • 1...Be5
      • 2.Qxe5#
    • 1...Bg5
      • 2.Qe5#
    • 1...Bh6
      • 2.Qe5#
    • 1...Sxe6
      • 2.Qxe6#
  • Tries
    • 1.Rxf4?
      • threat
        • 2.Qe5#
      • 1...Kd6
        • 2.Qe5#
      • 1...Sd3
        • 2.Rxd7#
      • 1...Se4!
    • 1.Rxd7+?
      • 1...Bd6
        • 2.Sf6#
        • 2.Se7#
        • 2.Qe5#
      • 1...Sxd7!
  • Keys
    • 1.Qb4!
      • 1...Ke4
        • 2.Bxc6#
      • 1...Kd6
        • 2.Rxd7#
      • 1...Sxe6
        • 2.Sf6#
      • 1...Bh2
        • 2.Qxc5#
      • 1...Bc1
        • 2.Qxc5#
      • 1...Bd2
        • 2.Qxc5#
      • 1...Be3
        • 2.Qxc5#
      • 1...Bg3
        • 2.Qxc5#
      • 1...Be5
        • 2.Qxc5#
      • 1...Bg5
        • 2.Qxc5#
      • 1...Bd6
        • 2.Qc4#
      • 1...Bh6
        • 2.Qxc5#
      • 1...Bc7
        • 2.Qxc5#
      • 1...Bb8
        • 2.Qxc5#
      • 1...Sb3
        • 2.Sf6#
      • 1...Sd3
        • 2.Sf6#
      • 1...Sa4
        • 2.Sf6#
      • 1...Se4
        • 2.Se7#
      • 1...Sa6
        • 2.Sf6#
      • 1...Sb7
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 6
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAR1(A)
    • B(a);N_GUARD::QAR1(A),XB(a)
    • S(b);OGATE,XP(F)::QAB1(A),XS(b)
  • Tries
    • Try
      • R(E);XB(a)
      • Threat
        • QAR1(A)
      • Vars
        • K(c);N_SPINR(e),P-FLIGHT::QAB1(A)
        • S(b);N_GUARD::R(I),XS(f)
      • Refutation
        • S(b);
    • Try
      • R(I);CHECK,XS(f)
      • Refutation
        • S(b);XR(I)
  • Actual
    • Q(A);
    • Vars
      • K(c);N_SPINS(f),P_SPINB(a),S_FLIGHT::B(H),XR(e)
      • K(c);N_SPINR(e),N_SPINS(f),P-FLIGHT,P_SPINS(b)::R1(I),XS(f)
      • S(b);XP(F)::S(J)
      • B(a);::QAR1(A),XS(b)
      • B(a);N_SPINS(f),SBLOCK::QAB1(A)
      • S(b);::S(J)
      • S(b);SBLOCK::S(J)
      • S(b);N_SPINR(e)::S(J)
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