MESON Chess Problem Database

Problem Display
PID: 44027 (3N4/3p3b/2Rp4/5P2/2pk1N2/2R1p3/1P1p1Bn1/K6Q w - - 0 1)

Gardner, John Carey

Maryland Chess Review, 1874

3N4/3p3b/2Rp4/5P2/2pk1N2/2R1p3/1P1p1Bn1/K6Q

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Qd5#
    • 1...Sh4
      • 2.Qd5#
  • Keys
    • 1.Rxe3!
      • 1...d1Q+
        • 2.Qxd1#
      • 1...d1R+
        • 2.Qxd1#
      • 1...Bxf5
        • 2.Qh8#
      • 1...Sxe3
        • 2.Qd5#
      • 1...Sxf4
        • 2.Qe4#
      • 1...dxc6
        • 2.Sde6#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...Bg6
        • 2.Qh8#
      • 1...Bg8
        • 2.Qh8#
      • 1...Se1
        • 2.Se2#
        • 2.Rxe1#
        • 2.Re2#
        • 2.Re4#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
        • 2.Qe4#
        • 2.Qd5#
      • 1...Sh4
        • 2.Se2#
        • 2.Re1#
        • 2.Re2#
        • 2.Re4#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
        • 2.Qe4#
        • 2.Qd5#
      • 1...c3
        • 2.bxc3#
      • 1...d5
        • 2.Se2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 2
  • Sets
    • S(b);OGATE::QAR1(B)
  • Actual
    • R(E);XP(c)
    • Vars
      • P(a);CHECK,OGATEB::QAR(B),XQ(a)
      • P(a);CHECK,OGATEB::QAR(B),XR(a)
      • B(h);OGATE,XP(G)::QAB(B)
      • S(b);OGATE,P_SPINS(b),XR(E)::QAR1(B)
      • S(b);OGATE,XS(F)::QAR1(B)
      • P(g);N_GUARD,XR(H)::S(I)
      • P(a);OGATEB::QAR(B),XS(a)
      • P(a);OGATEB::QAR(B),XB(a)
      • B(h);OGATE::QAB(B)
      • P(d);OGATE::P(C),XP(d)
      • P(f);SBLOCK::S(F)
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