MESON Chess Problem Database

Problem Display
PID: 6183 (4b3/2pqN3/5P1p/2RN3k/Q7/4B2p/3K4/8 w - - 0 1)

Mansfield, Comins

South Wales News, 1927

4b3/2pqN3/5P1p/2RN3k/Q7/4B2p/3K4/8

#2

7 + 6

3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5+
      • 2.Rxd5#
    • 1...Qxe7
      • 2.Sxe7#
  • Keys
    • 1.Bf2!
      • threat
        • 2.Qh4#
      • 1...Qxd5+
        • 2.Rxd5#
      • 1...Kg5
        • 2.Qh4#
      • 1...Qxa4
        • 2.Se3#
      • 1...Qxe7
        • 2.Sxe7#
      • 1...Qg4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(e);CHECK,OGATE,P_SPINQ(e),XS(E)::R(D),XQ(e)
    • Q(e);N_PINS(E),XS(G)::R(D)+S(E),XQ(e)
  • Actual
    • B(B);
    • Threat
      • QAR1(C)
    • Vars
      • Q(e);CHECK,OGATE,P_SPINQ(e),XS(E)::R(D),XQ(e)
      • K(b);P-FLIGHT::QAB1(C)
      • Q(e);N_PINS(E),XQ(C)::R(D)+S(E)
      • Q(e);N_PINS(E),XS(G)::R(D)+S(E),XQ(e)
      • Q(e);N_PINS(E),SBLOCK::R(D)+S(E),DCHECK
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