MESON Chess Problem Database

Problem Display
PID: 20981 (2R5/1n2p3/N2p1B2/1B1k1p2/3N2p1/1b3P2/n3P2Q/2rRbK2 w - - 0 1)

Chandler, Guy Wills

Mansfield, Comins

Bolton Football and Field, 1915

2R5/1n2p3/N2p1B2/1B1k1p2/3N2p1/1b3P2/n3P2Q/2rRbK2

#2

10 + 10

15 British Chess Magazine 1923
3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Bc4#
    • 1...Bc4
      • 2.Bc6#
    • 1...Sc3
      • 2.Sb4#
    • 1...Sc5
      • 2.Sc7#
  • Tries
    • 1.Se6+?
      • 1...Rxd1
        • 2.Sac7#
        • 2.Sf4#
        • 2.Sec7#
      • 1...Bd2
        • 2.Sf4#
      • 1...Bxd1
        • 2.Sf4#
      • 1...Kxe6!
    • 1.Bc6+?
      • 1...Kc4
        • 2.Bxb7#
      • 1...Rxc6!
    • 1.Rc5+?
      • 1...Sxc5
        • 2.Sc7#
      • 1...dxc5
        • 2.Sc7#
        • 2.Qe5#
      • 1...Rxc5!
  • Keys
    • 1.Qh5!
      • threat
        • 2.e4#
      • 1...gxf3
        • 2.Qxf3#
      • 1...exf6
        • 2.Qxf5#
      • 1...Bc2
        • 2.Bc4#
      • 1...Bc4
        • 2.Bc6#
      • 1...Sc3
        • 2.Sb4#
      • 1...Sc5
        • 2.Sc7#
      • 1...e5
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD,S_CUTR(a)::B(G)
    • B(d);P_PINP(C),SBLOCK,S_CUTR(a)::B(G)
    • S(c);N_GUARD,S_CUTB(b)::S(H)
    • S(i);SBLOCK,S_CUTR(a)::S(H)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • B(b);P_PINR(A),P_SPINB(b)::S(F)
        • B(d);XR(A)::S(F)
      • Refutation
        • K(f);S_FLIGHT,XS(F)
    • Try
      • B(G);CHECK
      • Vars
        • K(f);S_FLIGHT::R(J)+B(G),XS(i)
      • Refutation
        • R(a);XB(G)
    • Try
      • R(J);CHECK
      • Vars
        • S(i);SBLOCK,XR(J)::S(H)
      • Refutation
        • R(a);XR(J)
  • Actual
    • Q(D);P_PINP(g)
    • Threat
      • P(C)
    • Vars
      • P(e);OGATE,XP(E)::QAB(D),XP(e)
      • P(j);N_GUARD,XB(I)::QAR2(D),XP(g)
      • B(d);N_GUARD,S_CUTR(a)::B(G)
      • B(d);P_PINP(C),SBLOCK,S_CUTR(a)::B(G)
      • S(c);N_GUARD,S_CUTB(b)::S(H)
      • S(i);SBLOCK,S_CUTR(a)::S(H)
      • P(j);N_GUARD,N_SPINP(g)::QAB(D)
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