MESON Chess Problem Database

Problem Display
PID: 244139 (8/7q/bp1RN3/pk1p3r/1bR3r1/1P1P4/1KP3n1/1N3Q2 w - - 0 1)

Bennett, Frederick

Chess World (The), 1946

8/7q/bp1RN3/pk1p3r/1bR3r1/1P1P4/1KP3n1/1N3Q2

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd3
      • 2.Sc7#
    • 1...Qe4
      • 2.Sc7#
    • 1...Qf5
      • 2.Sc7#
    • 1...Qg6
      • 2.Sc7#
    • 1...Qg8
      • 2.Sc7#
    • 1...Qh6
      • 2.Sc7#
    • 1...Qc7
      • 2.Sxc7#
    • 1...Rg3
      • 2.Sd4#
    • 1...Rd4
      • 2.Sxd4#
    • 1...Rgg5
      • 2.Sd4#
    • 1...Rg6
      • 2.Sd4#
    • 1...Rg7
      • 2.Sd4#
    • 1...Rg8
      • 2.Sd4#
    • 1...Be1
      • 2.Sa3#
    • 1...Bd2
      • 2.Sa3#
    • 1...Ba3+
      • 2.Sxa3#
    • 1...Bc3+
      • 2.Sxc3#
    • 1...Bc5
      • 2.Sc3#
    • 1...Bxd6
      • 2.Sc3#
    • 1...Sf4
      • 2.Sd4#
  • Keys
    • 1.d4!
      • threat
        • 2.Rc5#
      • 1...Qxc2+
        • 2.Rxc2#
      • 1...Ba3+
        • 2.Sxa3#
      • 1...Bc3+
        • 2.Sxc3#
      • 1...Bxd6
        • 2.Sc3#
      • 1...dxc4
        • 2.Qxc4#
      • 1...Qd3
        • 2.Sc7#
      • 1...Be1
        • 2.Sa3#
      • 1...Bd2
        • 2.Sa3#
      • 1...Bc5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 13
  • Sets
    • Q(j);N_GUARD,XP(F)::S(I)
    • Q(j);N_GUARD::S(I)
    • Q(j);N_GUARD::S(I),XQ(j)
    • R(c);N_GUARD::S(I)
    • R(c);N_GUARD::S(I),XR(c)
    • B(b);N_GUARD::S(A)
    • B(b);CHECK,N_GUARD::S(A),XB(b)
    • B(b);N_GUARD,XR(H)::S(A)
    • S(a);S_CUTR(c)::S(I)
  • Actual
    • P(F);
    • Threat
      • QAB(B)+R(G),DCHECK
    • Vars
      • Q(j);CHECK,OGATE,XP(D)::QAB(B)+R(G),XQ(j)
      • B(b);CHECK,N_GUARD::S(A),XB(b)
      • B(b);N_GUARD,XR(H)::S(A)
      • P(f);OGATE,P_SPINP(f),XR(G)::QAB1(B),XP(f)
      • Q(j);N_GUARD::S(I)
      • B(b);N_GUARD::S(A)
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