MESON Chess Problem Database

Problem Display
PID: 223201 (3rBBq1/bp6/1p3pp1/Pp1k3P/Np1N2Q1/n3R3/3rP3/2R3Kb w - - 0 1)

Wheeler, Charles Henry

Nashville Daily American, 1886

3rBBq1/bp6/1p3pp1/Pp1k3P/Np1N2Q1/n3R3/3rP3/2R3Kb

#2

11 + 13

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qf7
      • 2.Bxf7#
    • 1...Qh8
      • 2.Bf7#
    • 1...Rd7
      • 2.Qxd7#
    • 1...Ra8
      • 2.Qd7#
    • 1...Rb8
      • 2.Qd7#
    • 1...Rc8
      • 2.Qd7#
    • 1...Rxe8
      • 2.Qd7#
    • 1...Be4
      • 2.Qxe4#
    • 1...Bb8
      • 2.Sxb6#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Qe4#
      • 1...Rd1+
        • 2.Rxd1#
      • 1...Qxf8
        • 2.Qe6#
      • 1...Rxe8
        • 2.Qd7#
      • 1...gxh5
        • 2.Qxg8#
      • 1...Qe6
        • 2.Qxe6#
      • 1...Rd4
        • 2.Qxd4#
      • 1...f5
        • 2.Re5#
      • 1...Bxf3!
  • Keys
    • 1.Sxb5!
      • threat
        • 2.Sc7#
      • 1...Rd1+
        • 2.Rxd1#
      • 1...Qxf8
        • 2.Qe6#
      • 1...Sxb5
        • 2.Qc4#
      • 1...Be4
        • 2.Qxe4#
      • 1...Qf7
        • 2.Bxf7#
      • 1...Qh7
        • 2.Qe6#
      • 1...Qg7
        • 2.Qe6#
      • 1...Rc2
        • 2.Qd4#
      • 1...Rd7
        • 2.Qxd7#
      • 1...Rc8
        • 2.Qd7#
      • 1...Bb8
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • Q(m);N_GUARD::B(J),XQ(m)
    • Q(m);N_GUARD::B(J)
    • R(l);N_GUARD::QAR2(G),XR(l)
    • R(l);N_GUARD::QAR2(G)
    • R(l);N_GUARD,XB(J)::QAR2(G)
    • B(a);N_GUARD::QAB1(G),XB(a)
    • B(j);N_GUARD::S(E),XP(g)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAB1(G)
      • Vars
        • R(b);CHECK,OGATEB::R(A),XR(b)
        • Q(m);N_GUARD,XB(K)::QAB1(G)
        • R(l);N_GUARD,XB(J)::QAR2(G)
        • P(i);OGATE,P_PINQ(G),XP(I)::QAB(G),XQ(m)
        • Q(m);N_GUARD::QAB1(G),XQ(m)
        • R(b);N_GUARD::QAR1(G),XR(b)
        • P(h);N_GUARD::R1(D)
      • Refutation
        • B(a);XS(F)
  • Actual
    • S(F);XP(e)
    • Threat
      • S(F)
    • Vars
      • R(b);CHECK,OGATEB::R(A),XR(b)
      • Q(m);N_GUARD,XB(K)::QAB1(G)
      • S(c);N_GUARD,XS(F)::QAB1(G)
      • B(a);N_GUARD::QAB1(G),XB(a)
      • Q(m);N_GUARD::B(J),XQ(m)
      • Q(m);N_GUARD::QAB1(G)
      • R(b);N_GUARD::QAR1(G)
      • R(l);N_GUARD::QAR2(G),XR(l)
      • R(l);N_GUARD::QAR2(G)
      • B(j);N_GUARD::S(E),XP(g)
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