MESON Chess Problem Database

Problem Display
PID: 52107 (8/8/8/3n4/8/3Q4/1K1p4/1N1kb1n1 w - - 0 1)

Carpenter, George Edward

2nd HM., Good Companions (February Meredith Ty.), 1917

8/8/8/3n4/8/3Q4/1K1p4/1N1kb1n1

#2

3 + 5

3132 The Good Companion Two-Mover 1922
5065 Chess Problem Gems by Eight Eminent American Composers 1972

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Qxd2#
    • 1...Bg3
      • 2.Qxd2#
    • 1...Bh4
      • 2.Qxd2#
    • 1...Se2
      • 2.Qc2#
      • 2.Qb3#
    • 1...Sf3
      • 2.Qxf3#
    • 1...Sh3
      • 2.Qf3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Se3
      • 2.Sc3#
    • 1...Sb4
      • 2.Sc3#
    • 1...Sf4
      • 2.Sc3#
    • 1...Sb6
      • 2.Sc3#
    • 1...Sf6
      • 2.Sc3#
    • 1...Sc7
      • 2.Sc3#
    • 1...Se7
      • 2.Sc3#
  • Tries
    • 1.Qf1?
      • 1...Sf3
        • 2.Qxf3#
      • 1...Sh3
        • 2.Qf3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Se3
        • 2.Sc3#
      • 1...Sb4
        • 2.Sc3#
      • 1...Sf4
        • 2.Sc3#
      • 1...Sb6
        • 2.Sc3#
      • 1...Sf6
        • 2.Sc3#
      • 1...Sc7
        • 2.Sc3#
      • 1...Se7
        • 2.Sc3#
      • 1...Se2!
    • 1.Qf3+?
      • 1...Se2
        • 2.Qb3#
      • 1...Sxf3!
    • 1.Qxd5?
      • threat
        • 2.Sc3#
      • 1...Bf2
        • 2.Qxd2#
      • 1...Bg3
        • 2.Qxd2#
      • 1...Bh4
        • 2.Qxd2#
      • 1...Se2
        • 2.Qb3#
      • 1...Ke2!
  • Keys
    • 1.Qe3!
      • 1...Sxe3
        • 2.Sc3#
      • 1...Se2
        • 2.Qb3#
      • 1...Bf2
        • 2.Qxd2#
      • 1...Bg3
        • 2.Qxd2#
      • 1...Bh4
        • 2.Qxd2#
      • 1...Sf3
        • 2.Qxf3#
      • 1...Sh3
        • 2.Qf3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sb4
        • 2.Sc3#
      • 1...Sf4
        • 2.Sc3#
      • 1...Sb6
        • 2.Sc3#
      • 1...Sf6
        • 2.Sc3#
      • 1...Sc7
        • 2.Sc3#
      • 1...Se7
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::QAR1(C),XP(d)
    • S(c);N_GUARD::QAB(C),XS(c)
    • S(c);N_GUARD::QAB(C)
    • S(e);N_GUARD::S(A),XS(e)
    • S(e);N_GUARD::S(A)
  • Tries
    • Try
      • Q(C);N_PINP(d),P_PINB(b)
      • Vars
        • S(c);N_GUARD::QAB(C),XS(c)
        • S(c);N_GUARD::QAB(C)
        • S(e);N_GUARD::S(A),XS(e)
        • S(e);N_GUARD::S(A)
      • Refutation
        • S(c);
    • Try
      • Q(C);CHECK,N_PINP(d)
      • Vars
        • S(c);P_SPINS(c),SBLOCK::QAB(C)
      • Refutation
        • S(c);XQ(C)
    • Try
      • Q(C);XS(e)
      • Threat
        • S(A)
      • Vars
        • B(b);N_GUARD::QAR1(C),XP(d)
        • S(c);SBLOCK::QAB(C)
      • Refutation
        • K(a);N_SPINP(d),S_FLIGHT
  • Actual
    • Q(C);N_PINP(d)
    • Vars
      • S(e);N_GUARD,XQ(C)::S(A)
      • S(c);SBLOCK::QAB(C)
      • B(b);N_GUARD::QAR1(C),XP(d)
      • S(c);N_GUARD::QAB(C),XS(c)
      • S(c);N_GUARD::QAB(C)
      • S(e);N_GUARD::S(A),XS(e)
      • S(e);N_GUARD::S(A)
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