MESON Chess Problem Database

Problem Display
PID: 4758 (3Nr3/8/3pp2p/1P1kp1nR/1Pq3n1/5PP1/B4Q2/K2Nb3 w - - 0 1)

Williams, Philip Hamilton

Evening News & Post, 1890

3Nr3/8/3pp2p/1P1kp1nR/1Pq3n1/5PP1/B4Q2/K2Nb3

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qb3
      • 2.Bxb3#
    • 1...Bd2
      • 2.Qxd2#
    • 1...Bc3+
      • 2.Sxc3#
  • Keys
    • 1.Sc6!
      • 1...Qxa2+
        • 2.Qxa2#
      • 1...Bc3+
        • 2.Sxc3#
      • 1...Bxf2
        • 2.Sc3#
      • 1...Bxb4
        • 2.Sxb4#
      • 1...Sxf2
        • 2.Se3#
      • 1...Sxf3
        • 2.Qxf3#
      • 1...Qb3
        • 2.Bxb3#
      • 1...Re7
        • 2.Sxe7#
      • 1...Ra8
        • 2.Se7#
      • 1...Rb8
        • 2.Se7#
      • 1...Rc8
        • 2.Se7#
      • 1...Rd8
        • 2.Se7#
      • 1...Rf8
        • 2.Se7#
      • 1...Rg8
        • 2.Se7#
      • 1...Rh8
        • 2.Se7#
      • 1...Bd2
        • 2.Qxd2#
      • 1...Sh2
        • 2.Se3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Sf6
        • 2.Se3#
      • 1...Sh3
        • 2.Qd4#
      • 1...Se4
        • 2.Qd4#
      • 1...Sf7
        • 2.Qd4#
      • 1...Sh7
        • 2.Qd4#
      • 1...e4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 21
    • REMOVED MATES = 0
  • Sets
    • Q(b);OGATEB::B(C),XQ(b)
    • B(a);N_GUARD::QAR(D),XB(a)
    • B(a);CHECK,N_GUARD::S(B),XB(a)
  • Actual
    • S(J);
    • Vars
      • Q(b);CHECK,N_SPINQ(b),OGATE,XB(C)::QAB(D),XQ(b)
      • B(a);CHECK,N_GUARD::S(B),XB(a)
      • B(a);N_GUARD,XQ(D)::S(B)
      • B(a);XP(G)::S(J),XB(a)
      • S(c);N_GUARD,XQ(D)::S(B)
      • S(f);OGATE,P_SPINP(e),XP(E)::QAB(D),XS(f)
      • Q(b);OGATEB::B(C),XQ(b)
      • R(j);N_GUARD::S(J),XR(j)
      • R(j);N_GUARD,P_PINB(C)::S(J)
      • R(j);N_GUARD::S(J)
      • B(a);N_GUARD::QAR(D),XB(a)
      • S(c);N_GUARD::S(B)
      • S(c);N_GUARD::S(B),XS(c)
      • S(f);P_SPINP(e)::QAR1(D)
      • P(e);N_GUARD,P_SPINS(f)::QAR1(D)
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