MESON Chess Problem Database

Problem Display
PID: 224820 (KR1R1B2/7B/8/n3kpQN/p7/r7/b6N/q1n1br2 w - - 0 1)

Verd, Jacques

Syracuse Sunday Herald, 1887

KR1R1B2/7B/8/n3kpQN/p7/r7/b6N/q1n1br2

#2

8 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qe7#
    • 1...Rg1
      • 2.Qxf5#
    • 1...Rh1
      • 2.Qxf5#
    • 1...Rb3
      • 2.Qe7#
    • 1...Re3
      • 2.Qxe3#
    • 1...Bf2
      • 2.Qxf5#
    • 1...Bc3
      • 2.Qe3#
    • 1...Bb1
      • 2.Qe7#
    • 1...Bb3
      • 2.Qe3#
    • 1...Scb3
      • 2.Qe3#
      • 2.Qe7#
    • 1...Sd3
      • 2.Qe3#
    • 1...Sab3
      • 2.Qe3#
      • 2.Qe7#
    • 1...Sc4
      • 2.Qe7#
  • Tries
    • 1.Sg4+?
      • 1...Ke6
        • 2.Bg8#
        • 2.Qe7#
        • 2.Qg8#
      • 1...Ke4!
    • 1.Bg7+?
      • 1...Ke6
        • 2.Bg8#
      • 1...Ke4!
    • 1.Qf4+?
      • 1...Ke6
        • 2.Bg8#
      • 1...Rxf4!
    • 1.Qg7+?
      • 1...Ke6
        • 2.Bg8#
        • 2.Rd6#
        • 2.Qe7#
      • 1...Ke4!
  • Keys
    • 1.Rb3!
      • threat
        • 2.Qe3#
        • 2.Qe7#
      • 1...Ke4
        • 2.Qe3#
      • 1...Ke6
        • 2.Qe7#
      • 1...Rxb3
        • 2.Qe7#
      • 1...Bxb3
        • 2.Qe3#
      • 1...Qc3
        • 2.Qe7#
      • 1...Qd4
        • 2.Qe7#
      • 1...Qb1
        • 2.Qe7#
      • 1...Rf3
        • 2.Qe7#
      • 1...Rf4
        • 2.Qe7#
      • 1...Bd2
        • 2.Qe7#
      • 1...Bf2
        • 2.Qe7#
        • 2.Qxf5#
      • 1...Bb4
        • 2.Qe3#
      • 1...Bh4
        • 2.Qe3#
      • 1...Bb1
        • 2.Qe7#
      • 1...Sc4
        • 2.Qe7#
      • 1...Sc6
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 6
  • Sets
    • K(i);N_SPINP(j),P-FLIGHT::QAR1(B)
    • R(d);N_GUARD::QAR1(B),XP(j)
    • R(f);S_CUTB(e)::QAR2(B)
    • R(f);N_GUARD::QAR2(B),XR(f)
    • B(c);S_CUTR(d)::QAR1(B),XP(j)
    • B(c);S_CUTR(f)::QAR2(B)
    • B(e);N_GUARD::QAR2(B)
    • B(e);S_CUTR(f)::QAR2(B)
    • S(b);S_CUTR(f)::QAR2(B)
    • S(h);S_CUTB(e)::QAR2(B)
  • Tries
    • Try
      • S(A);CHECK
      • Refutation
        • K(i);P-FLIGHT
    • Try
      • B(H);CHECK
      • Vars
        • K(i);N_SPINP(j),P-FLIGHT::B(D)
      • Refutation
        • K(i);P-FLIGHT
    • Try
      • Q(B);CHECK,N_PINP(j)
      • Vars
        • K(i);P-FLIGHT::B(D)
      • Refutation
        • R(d);XQ(B)
    • Try
      • Q(B);CHECK,N_PINP(j)
      • Refutation
        • K(i);P-FLIGHT,P_SPINP(j)
  • Actual
    • R(F);
    • Threat
      • DUALS(2)
    • Vars
      • K(i);P-FLIGHT::QAR1(B)
      • K(i);N_SPINP(j),P-FLIGHT::QAR1(B)
      • R(f);XR(F)::QAR2(B)
      • B(e);XR(F)::QAR2(B)
      • Q(a);::QAR2(B)
      • R(d);::QAR2(B)
      • B(c);::QAR2(B)
      • B(e);::QAR2(B)
      • S(h);::QAR2(B)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).