MESON Chess Problem Database

Problem Display
PID: 2531 (5rr1/6Qp/5B2/q7/p1p1b1N1/3N4/KRPkp3/R3b3 w - - 0 1)

Mansfield, Comins

7th Comm., BCF 028. Ty., 1938-1939

5rr1/6Qp/5B2/q7/p1p1b1N1/3N4/KRPkp3/R3b3

#2

8 + 10

56 The Problemist 1954
102 Probleemblad 1975
3550 Complete Mansfield/II 1997
15513 Selected Chess Problems of Colin Sydenham 2015
56 The Problemist 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3
      • 2.Bxc3#
    • 1...Qb6
      • 2.Bc3#
    • 1...Qc7
      • 2.Bc3#
    • 1...Qd8
      • 2.Bc3#
    • 1...Qb5
      • 2.Bc3#
    • 1...Qc5
      • 2.Bc3#
    • 1...Qd5
      • 2.Bc3#
    • 1...Qf5
      • 2.Bc3#
    • 1...Qg5
      • 2.Bc3#
    • 1...Qh5
      • 2.Bc3#
    • 1...Qa6
      • 2.Bc3#
    • 1...Qa7
      • 2.Bc3#
    • 1...Qa8
      • 2.Bc3#
    • 1...Bf5
      • 2.Bg5#
    • 1...cxd3
      • 2.c3#
      • 2.c4#
  • Tries
    • 1.Bg5+?
      • 1...Rf4
        • 2.Bxf4#
      • 1...Qxg5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sxe4#
      • 1...Qxc5
        • 2.Bc3#
      • 1...Bxc2
        • 2.Qd7#
      • 1...Qa8
        • 2.Bc3#
      • 1...Re8
        • 2.Bg5#
      • 1...Bh1
        • 2.c3#
      • 1...Bg2
        • 2.c3#
      • 1...Bd3
        • 2.cxd3#
      • 1...Bf3
        • 2.c3#
      • 1...Bd5
        • 2.c3#
      • 1...Bf5
        • 2.Bg5#
      • 1...Bc6
        • 2.c3#
      • 1...Bg6
        • 2.Qh6#
      • 1...Bb7
        • 2.c3#
      • 1...Ba8
        • 2.c3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 11
  • Sets
    • Q(g);N_GUARD::B(G),XQ(g)
    • Q(g);N_GUARD::B(G)
    • B(f);S_CUTQ(g),S_CUTR(i)::B(G)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • R(i);N_GUARD,P_SPINR(i)::B(G),XR(i)
      • Refutation
        • Q(g);XB(G)
  • Actual
    • S(E);
    • Threat
      • S(E),XB(f)
    • Vars
      • Q(g);N_GUARD,XS(E)::B(G)
      • B(f);N_GUARD,P_SPINB(f),XP(D)::QAR(H)
      • Q(g);N_GUARD::B(G)
      • R(i);N_GUARD::B(G)
      • B(f);N_GUARD::R(C)+P(D)
      • B(f);OGATE::R(C)+P(D),XB(f)
      • B(f);S_CUTR(i)::B(G)
      • B(f);S_CUTR(j)::QAB(H)
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