MESON Chess Problem Database

Problem Display
PID: 43377 (2K3BB/R2Rp3/3r2Qn/5q2/8/1p1k1NN1/2pp1P2/2rn4 w - - 0 1)

Buchwald, Julius

1st Comm., BCF 039. Ty., 1941-1942

2K3BB/R2Rp3/3r2Qn/5q2/8/1p1k1NN1/2pp1P2/2rn4

#2

9 + 10

5759 Selected Compositions of Julius Buchwald 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Qe4
      • 2.Qxe4#
    • 1...Rd5
      • 2.Qa6#
    • 1...Rxd7
      • 2.Rxd7#
    • 1...Sg4
      • 2.Qxf5#
  • Tries
    • 1.Qxd6+?
      • 1...Qd5
        • 2.Qxd5#
        • 2.Qa6#
      • 1...exd6!
  • Keys
    • 1.Rc7!
      • threat
        • 2.Bc4#
      • 1...Sxf2
        • 2.Rc3#
      • 1...Sxg8
        • 2.Qxf5#
      • 1...Rd4
        • 2.Se5#
      • 1...Rd5
        • 2.Qa6#
      • 1...Sb2
        • 2.Rc3#
      • 1...Se3
        • 2.Rc3#
      • 1...Sf7
        • 2.Qxf5#
      • 1...e5
        • 2.Qxd6#
      • 1...e6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 3
  • Sets
    • Q(g);N_PINR(F),OGATE::QAB1(D),XQ(g)
    • R(h);OGATE::QAB(D)
    • R(h);N_SPINR(h),OGATE,XR(F)::R(E),XR(h)
    • S(i);N_GUARD::QAB(D),XQ(g)
  • Tries
    • Try
      • Q(D);CHECK,N_PINQ(g),XR(h)
      • Refutation
        • P(j);P_SPINP(j),XQ(D)
  • Actual
    • R(E);
    • Threat
      • B(H)
    • Vars
      • S(b);N_GUARD,XP(A)::R1(E)
      • S(i);N_GUARD,XB(H)::QAB(D),XQ(g)
      • R(h);::S(B)
      • R(h);OGATE::QAB(D)
      • S(b);N_GUARD::R1(E)
      • S(i);N_GUARD::QAB(D),XQ(g)
      • P(j);N_GUARD::QAR(D),XR(h)
      • P(j);N_PINR(F)::R(F),XR(h)
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