MESON Chess Problem Database

Problem Display
PID: 74298 (3r1r2/B1p1p3/bn5n/3p2Q1/Rq2k1p1/1BR5/N2PPP2/4K3 w - - 0 1)

Buchwald, Julius

4th HM., British Chess Magazine, 1943

3r1r2/B1p1p3/bn5n/3p2Q1/Rq2k1p1/1BR5/N2PPP2/4K3

#2

10 + 11

5759 Selected Compositions of Julius Buchwald 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qe3#
    • 1...Qd4
      • 2.Re3#
    • 1...Rf5
      • 2.Qe3#
    • 1...Sxa4
      • 2.Re3#
    • 1...Sc4
      • 2.Bc2#
      • 2.d3#
    • 1...Sd7
      • 2.Bxd5#
      • 2.Re3#
    • 1...Sa8
      • 2.Re3#
    • 1...Sc8
      • 2.Re3#
  • Tries
    • 1.Bc2+?
      • 1...Kd4
        • 2.Qe3#
        • 2.e3#
      • 1...Bd3!
    • 1.Rxb4+?
      • 1...Sc4
        • 2.Bc2#
        • 2.Re3#
        • 2.d3#
      • 1...d4
        • 2.Re3#
      • 1...Bc4!
    • 1.d3+?
      • 1...Kd4
        • 2.Qe3#
        • 2.e3#
      • 1...Bxd3!
  • Keys
    • 1.d4!
      • threat
        • 2.Qe5#
      • 1...Qxc3+
        • 2.Sxc3#
      • 1...Kxd4
        • 2.Qe3#
      • 1...Qxd4
        • 2.Re3#
      • 1...Qd6
        • 2.Re3#
      • 1...Rf5
        • 2.Qe3#
      • 1...Sc4
        • 2.Bc2#
      • 1...Sd7
        • 2.Bxd5#
      • 1...Sf5
        • 2.Qxg4#
      • 1...Sf7
        • 2.Qxg4#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 3
  • Sets
    • K(b);P-FLIGHT,P_SPINS(f)::QAB1(I)
    • Q(a);::R1(G)
    • R(k);SBLOCK::QAR1(I)
    • S(f);N_SPINQ(a),XR(H)::R1(G)
    • S(f);::R1(G)
  • Tries
    • Try
      • B(F);CHECK
      • Refutation
        • B(e);P_SPINB(e)
    • Try
      • R(H);CHECK,XQ(a)
      • Vars
        • P(d);P_SPINP(d)::R1(G)
      • Refutation
        • B(e);P_SPINB(e)
    • Try
      • P(C);CHECK,P_SPINR(G)
      • Refutation
        • B(e);XP(C)
  • Actual
    • P(C);N_PINQ(a),P_SPINR(G)
    • Threat
      • QAR1(I)
    • Vars
      • Q(a);CHECK,XR(G)::S(B),XQ(a)
      • K(b);P-FLIGHT,P_SPINQ(a),P_SPINS(f),XP(C)::QAB1(I)
      • Q(a);N_PINR(G),P_SPINQ(a),XP(C)::R1(G)
      • Q(a);N_PINR(G)::R1(G)
      • R(k);SBLOCK::QAR1(I)
      • S(f);S_CUTB(e)::B(F)
      • S(f);N_GUARD,S_CUTR(j)::B(F),XP(d)
      • S(g);N_GUARD,S_CUTR(k)::QAR2(I),XP(c)
      • P(i);::QAR1(I),XP(i)
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