MESON Chess Problem Database

Problem Display
PID: 44472 (4K3/8/3P4/R3B3/1QN1k1NR/8/1bp1rpPP/3r1B2 w - - 0 1)

de Jaegere, F

Het Schaakleven, 1932

4K3/8/3P4/R3B3/1QN1k1NR/8/1bp1rpPP/3r1B2

#2

11 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Sxb2#
      • 2.Sxf2#
    • 1...Rd3
      • 2.Sge3#
      • 2.Sh6#
    • 1...Re1
      • 2.Sge3#
      • 2.Sh6#
    • 1...Rd2
      • 2.Sge3#
      • 2.Sh6#
    • 1...Re3
      • 2.Sgxe3#
      • 2.Sh6#
  • Tries
    • 1.Sd2+?
      • 1...Kd3
        • 2.Rh3#
      • 1...Kf5!
    • 1.Sf6+?
      • 1...Kd3
        • 2.Rh3#
      • 1...Kf5!
    • 1.Bxb2?
      • threat
        • 2.Sxf2#
      • 1...Kd3+
        • 2.Sce5#
        • 2.Sge5#
      • 1...Kf4+
        • 2.Sge3#
      • 1...Rd5!
    • 1.Bc3?
      • threat
        • 2.Sxf2#
      • 1...Kd3+
        • 2.Sce5#
        • 2.Sge5#
      • 1...Kf4+
        • 2.Sge3#
      • 1...Rd5!
    • 1.Qb7+?
      • 1...Kd3
        • 2.Sxf2#
      • 1...Rd5
        • 2.Qh7#
      • 1...Kf5!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Sxf2#
      • 1...Kd3+
        • 2.Sge5#
      • 1...Kxd4+
        • 2.Sce5#
      • 1...Kf4+
        • 2.Sge3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(f);P_PINB(I),P_SPINR(d),S_FLIGHT::R(G)
      • Refutation
        • K(f);P_PINB(I),S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(f);P_PINB(I),P_SPINR(d),S_FLIGHT::R(G)
      • Refutation
        • K(f);P_PINB(I),S_FLIGHT
    • Try
      • B(I);XB(b)
      • Threat
        • R(G)+S(F),DCHECK,XP(e)
      • Vars
        • K(f);CHECK,P-FLIGHT::R(G)+S(F)
      • Refutation
        • R(a);
    • Try
      • B(I);
      • Threat
        • R(G)+S(F),DCHECK,XP(e)
      • Vars
        • K(f);CHECK,P-FLIGHT::R(G)+S(F)
      • Refutation
        • R(a);
    • Try
      • Q(D);CHECK
      • Vars
        • K(f);P_PINB(I),P_SPINR(d),S_FLIGHT::S(F),XP(e)
        • R(a);P_SPINR(a)::QAB(D)
      • Refutation
        • K(f);P_PINB(I),S_FLIGHT
  • Actual
    • B(I);
    • Threat
      • R(G)+S(F),DCHECK,XP(e)
    • Vars
      • K(f);CHECK,P_SPINR(d),S_FLIGHT::S(F)
      • K(f);CHECK,P-FLIGHT,XB(I)::QAR(D)+S(E)
      • K(f);CHECK,P-FLIGHT::R(G)+S(F)
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