MESON Chess Problem Database

Problem Display
PID: 143247 (1R3Rn1/r1pKp3/b1P1Np2/1P1k1Ppq/6p1/p2B2B1/Pn6/1Q6 w - - 0 1)

Wahltuch, Victor Lionel

British Chess Magazine, 1893

1R3Rn1/r1pKp3/b1P1Np2/1P1k1Ppq/6p1/p2B2B1/Pn6/1Q6

#2

11 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qg6
      • 2.Qh1#
    • 1...Qf7
      • 2.Qh1#
    • 1...Qh1
      • 2.Qxh1#
    • 1...Bxb5
      • 2.Rxb5#
    • 1...Sd1
      • 2.Qb3#
    • 1...Sxd3
      • 2.Qxd3#
    • 1...Sa4
      • 2.Qb3#
    • 1...Sc4
      • 2.Be4#
  • Tries
    • 1.Bc4+?
      • 1...Sxc4
        • 2.Qd3#
      • 1...Kxc4!
  • Keys
    • 1.Rfd8!
      • 1...Qe8+
        • 2.Kxe8#
      • 1...Bc8+
        • 2.Kxc8#
      • 1...Bxb5
        • 2.Rxb5#
      • 1...Sxd3
        • 2.Qxd3#
      • 1...Qg6
        • 2.Qh1#
      • 1...Qf7
        • 2.Qh1#
      • 1...Qh1
        • 2.Ke8#
        • 2.Qxh1#
      • 1...Qh2
        • 2.Ke8#
      • 1...Qh3
        • 2.Ke8#
      • 1...Qh4
        • 2.Ke8#
      • 1...Qh6
        • 2.Ke8#
      • 1...Qh7
        • 2.Ke8#
      • 1...Qh8
        • 2.Ke8#
      • 1...Rb7
        • 2.Kc8#
      • 1...Ra8
        • 2.Kxc7#
      • 1...Bb7
        • 2.Kxc7#
      • 1...Sd1
        • 2.Qb3#
      • 1...Sa4
        • 2.Qb3#
      • 1...Sc4
        • 2.Be4#
      • 1...Sh6
        • 2.Kxe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 1
  • Sets
    • Q(f);N_GUARD::QAB(A)
    • Q(f);N_GUARD::QAB(A),XQ(f)
    • B(g);OGATE,P_PINP(G),XP(E)::R(J),XB(g)
    • S(a);OGATE::QAB(A)
    • S(a);OGATE,XB(C)::QAR2(A),XS(a)
    • S(a);SBLOCK::B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • S(a);XB(C)::QAR2(A)
      • Refutation
        • K(d);S_FLIGHT,XB(C)
  • Actual
    • R(K);
    • Vars
      • Q(f);CHECK::R(K)+K(I),XQ(f)
      • B(g);CHECK::R(K)+K(I),XB(g)
      • B(g);OGATE,P_PINP(G),XP(E)::R(J),XB(g)
      • S(a);OGATE,XB(C)::QAR2(A),XS(a)
      • Q(f);N_GUARD::QAB(A)
      • Q(f);::R(K)+K(I)
      • R(i);::R(K)+K(I)
      • R(i);::R(K)+K(I),XP(j)
      • B(g);::R(K)+K(I),XP(j)
      • S(a);OGATE::QAB(A)
      • S(a);SBLOCK::B(C)
      • S(l);::R(K)+K(I),XP(k)
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