MESON Chess Problem Database

Problem Display
PID: 17509 (8/K1R5/7Q/1N1p4/1R6/P2k1p2/4r3/b4N2 w - - 0 1)

Mansfield, Comins

6th Sp. HM., James MT (Chess Correspondent), 1947

8/K1R5/7Q/1N1p4/1R6/P2k1p2/4r3/b4N2

#2

7 + 5

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Qd2#
    • 1...Ra2
      • 2.Qe3#
    • 1...Rb2
      • 2.Qe3#
    • 1...Rc2
      • 2.Qe3#
    • 1...Rd2
      • 2.Qxd2#
      • 2.Qe3#
    • 1...Rf2
      • 2.Qe3#
    • 1...Rg2
      • 2.Qe3#
    • 1...Rh2
      • 2.Qe3#
    • 1...Re3
      • 2.Qxe3#
    • 1...Re4
      • 2.Qd2#
    • 1...Re5
      • 2.Qd2#
    • 1...Re6
      • 2.Qd2#
    • 1...Re7
      • 2.Qd2#
    • 1...Re8
      • 2.Qd2#
    • 1...Bc3
      • 2.Rxc3#
    • 1...Bd4+
      • 2.Rxd4#
  • Keys
    • 1.Qa6!
      • threat
        • 2.Sd6#
      • 1...Bd4+
        • 2.Rxd4#
      • 1...Rc2
        • 2.Sc3#
      • 1...Re4
        • 2.Sd4#
      • 1...Bc3
        • 2.Rxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 11
  • Sets
    • R(b);N_GUARD::QAR1(E)
    • R(b);N_GUARD,P_PINP(B)::QAR1(E)
    • R(b);N_GUARD::QAR1(E),XR(b)
    • R(b);N_GUARD,P_PINR(G)::QAR1(E)
    • B(a);N_GUARD::R1(G),XB(a)
    • B(a);CHECK,N_GUARD::R1(C),XB(a)
  • Actual
    • Q(E);
    • Threat
      • QAB(E)+S(D)
    • Vars
      • B(a);CHECK,N_GUARD::R1(C),XB(a)
      • R(b);SBLOCK::QAB(E)+S(D)
      • B(a);N_GUARD::R1(G),XB(a)
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