MESON Chess Problem Database

Problem Display
PID: 16328 (b3r3/K2p4/p2R4/2n4Q/pN2kr1R/1p4pq/4P3/2bN3n w - - 0 1)

Dobbs, Gilbert S

Chess, 1940

b3r3/K2p4/p2R4/2n4Q/pN2kr1R/1p4pq/4P3/2bN3n

#2

7 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Sc3#
    • 1...Bd5
      • 2.Qxd5#
    • 1...Sd3
      • 2.exd3#
    • 1...Sb7
      • 2.Qd5#
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sxc5#
      • 1...Rxh4
        • 2.Qf3#
      • 1...Sxd3
        • 2.exd3#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Qf5
        • 2.Qf3#
      • 1...Rg4
        • 2.Qg6#
        • 2.Qh7#
      • 1...Re5
        • 2.Qxe5#
      • 1...Rc8
        • 2.Qe5#
      • 1...Ba3
        • 2.Rxf4#
      • 1...Be3
        • 2.Sc3#
      • 1...Se6
        • 2.Qe5#
      • 1...Sb7
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::S(A)
    • B(l);N_GUARD::QAB1(E),XB(l)
    • S(i);OGATE::P(B),XS(i)
    • S(i);S_CUTB(l)::QAB1(E)
  • Actual
    • S(C);
    • Threat
      • S(C),XS(i)
    • Vars
      • R(h);N_SPINR(h),XR(D)::QAB1(E)
      • S(i);OGATE,XS(C)::P(B),XS(i)
      • B(l);N_GUARD::QAB1(E),XB(l)
      • Q(e);SBLOCK::QAB1(E)
      • R(m);N_GUARD::QAR1(E),XR(m)
      • R(m);N_GUARD::QAR1(E)
      • B(a);N_GUARD::R1(D),XR(h)
      • B(a);SBLOCK::S(A)
      • S(i);S_CUTR(m)::QAR1(E)
      • S(i);S_CUTB(l)::QAB1(E)
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