MESON Chess Problem Database

Problem Display
PID: 143411 (6Q1/n5R1/8/2B1p3/BP2kb2/3p4/3n4/1N1K4 w - - 0 1)

Anonymous

Hackney Mercury, 1894

6Q1/n5R1/8/2B1p3/BP2kb2/3p4/3n4/1N1K4

#2

7 + 6

15 British Chess Magazine 1894

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd2+?
      • 1...Kf5
        • 2.Qf7#
      • 1...Bxd2!
    • 1.Sc3+?
      • 1...Kf5
        • 2.Qf7#
      • 1...Kf3!
    • 1.Bc6+?
      • 1...Kf5
        • 2.Qf7#
      • 1...Sxc6!
    • 1.Qh7+?
      • 1...Kf3
        • 2.Qh1#
      • 1...Kd5!
  • Keys
    • 1.Rf7!
      • 1...Kf3
        • 2.Sxd2#
      • 1...Kd5
        • 2.Rxf4#
      • 1...Sxb1
        • 2.Qg2#
      • 1...Bh2
        • 2.Sc3#
      • 1...Be3
        • 2.Sc3#
      • 1...Bg3
        • 2.Sc3#
      • 1...Bg5
        • 2.Sc3#
      • 1...Bh6
        • 2.Sc3#
      • 1...Sf1
        • 2.Qg2#
      • 1...Sb3
        • 2.Qg2#
      • 1...Sf3
        • 2.Sc3#
      • 1...Sc4
        • 2.Qg2#
      • 1...Sb5
        • 2.Qa8#
      • 1...Sc6
        • 2.Bxc6#
      • 1...Sc8
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK,XS(a)
      • Vars
        • K(c);S_FLIGHT::QAR2(G)
      • Refutation
        • B(d);XS(A)
    • Try
      • S(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR2(G)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR2(G)
      • Refutation
        • S(f);XB(C)
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(G)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(F);
    • Vars
      • K(c);P_SPINB(d),S_FLIGHT::S(A),XS(a)
      • K(c);S_FLIGHT::QAB(G)+R(F),XB(d)
      • S(a);N_GUARD,XS(A)::QAB(G)
      • B(d);::S(A)
      • S(a);N_GUARD::QAB(G)
      • S(a);SBLOCK::S(A)
      • S(f);N_GUARD::QAB(G)
      • S(f);N_GUARD::B(C),XS(f)
      • S(f);N_GUARD::B(C)
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