MESON Chess Problem Database

Problem Display
PID: 73528 (8/2p5/p1NkP3/P4P2/1pnNb3/1P1R4/4P1BK/Q1R3B1 w - - 0 1)

Buchwald, Julius

British Chess Magazine, 1943

8/2p5/p1NkP3/P4P2/1pnNb3/1P1R4/4P1BK/Q1R3B1

#2

13 + 6

5759 Selected Compositions of Julius Buchwald 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc6
      • 2.Sxc6#
    • 1...Sb2
      • 2.Sb5#
    • 1...Sd2
      • 2.Sb5#
    • 1...Sa3
      • 2.Sb5#
    • 1...Se3
      • 2.Sb5#
    • 1...Sxa5
      • 2.Sb5#
    • 1...Se5
      • 2.Sb5#
    • 1...Sb6
      • 2.Sb5#
  • Tries
    • 1.Bxe4?
      • threat
        • 2.Sc2#
        • 2.Sf3#
        • 2.Sb5#
      • 1...Sb2
        • 2.Sb5#
      • 1...Se3
        • 2.Sb5#
      • 1...Se5
        • 2.Sb5#
      • 1...Sb6
        • 2.Sb5#
      • 1...Kc5!
  • Keys
    • 1.Qa4!
      • 1...Kc5
        • 2.Sf3#
      • 1...Kd5
        • 2.Sc2#
      • 1...Bxg2
        • 2.Sf3#
      • 1...Bxd3
        • 2.Qxb4#
      • 1...Bxf5
        • 2.Qxb4#
      • 1...Bxc6
        • 2.Sxc6#
      • 1...Sxa5
        • 2.Sb5#
      • 1...Bf3
        • 2.Sxf3#
      • 1...Bd5
        • 2.Qxb4#
      • 1...Sb2
        • 2.Sb5#
      • 1...Sd2
        • 2.Sb5#
      • 1...Sa3
        • 2.Sb5#
      • 1...Se3
        • 2.Sb5#
      • 1...Se5
        • 2.Sb5#
      • 1...Sb6
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(c);XS(L)::R(H)+S(I),XB(c)
    • S(b);::R(H)+S(I),DCHECK
    • S(b);XP(J)::R(H)+S(I),DCHECK
  • Tries
    • Try
      • B(E);XB(c)
      • Threat
        • DUALS(3)
      • Vars
        • S(b);::R(H)+S(I),DCHECK
      • Refutation
        • K(e);P_SPINS(b),S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(e);P_SPINS(b),S_FLIGHT::B(C)+S(I)
      • K(e);P-FLIGHT,P_SPINB(c)::R(H)+S(I)
      • B(c);N_GUARD,XB(E)::R(H)+S(I)
      • B(c);XR(H)::QAB(A),XP(a)
      • B(c);XP(K)::QAB(A),XP(a)
      • B(c);XS(L)::R(H)+S(I),XB(c)
      • S(b);XP(J)::R(H)+S(I),DCHECK
      • B(c);N_GUARD::R(H)+S(I),XB(c)
      • B(c);::QAB(A),XP(a)
      • S(b);::R(H)+S(I),DCHECK
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