MESON Chess Problem Database

Problem Display
PID: 10202 (B3n2b/1RN3n1/4p1r1/6rp/2p1kP2/7Q/b1N3p1/K1B5 w - - 0 1)

Mansfield, Comins

4th Prize, The Problemist, 1962

B3n2b/1RN3n1/4p1r1/6rp/2p1kP2/7Q/b1N3p1/K1B5

#2

8 + 11

3747 FIDE Album (1962-1964) 1968
3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rg3
      • 2.Rb3#
    • 1...Rg4
      • 2.Rb5#
    • 1...Rb5
      • 2.Rxb5#
    • 1...Rf5
      • 2.Qe3#
    • 1...Sf5+
      • 2.Rb2#
    • 1...c3
      • 2.Rb4#
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sc3#
      • 1...Sf5+
        • 2.Rg7#
      • 1...Kd5
        • 2.Rc7#
      • 1...Rxb5
        • 2.Rxb5#
      • 1...Rg3
        • 2.Rd7#
      • 1...Rg4
        • 2.Rf7#
      • 1...c3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(e);N_GUARD::B(H)+R(F)
    • R(e);N_GUARD::B(H)+R(F),XR(e)
    • R(e);SBLOCK::QAR1(D)
    • S(i);CHECK,S_CUTR(e)::B(H)+R(F)
    • P(c);::B(H)+R(F),DCHECK
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • S(i);CHECK,S_CUTR(e)::B(H)+R(F)
      • K(d);S_FLIGHT::B(H)+R(F)
      • R(e);OGATE,XS(G)::B(H)+R(F),XR(e)
      • R(e);N_GUARD::B(H)+R(F)
      • P(c);::S(G),XP(c)
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