MESON Chess Problem Database

Problem Display
PID: 2129 (3R4/1p1Q3p/1Pp3pP/2B1p3/4k1p1/1rp2bK1/1b1RN3/4nN2 w - - 0 1)

Brown, Theodore Morris

Kentucky Turf Register, 1859

3R4/1p1Q3p/1Pp3pP/2B1p3/4k1p1/1rp2bK1/1b1RN3/4nN2

#2

9 + 12

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.Qxg4#
    • 1...Bxe2
      • 2.Rxe2#
    • 1...Bg2
      • 2.Qxg4#
    • 1...Sc2
      • 2.Qd3#
    • 1...Sg2
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...cxd2
      • 2.Sxd2#
    • 1...g5
      • 2.Qxh7#
  • Tries
    • 1.Kf2?
      • threat
        • 2.Sfg3#
      • 1...Sd3+
        • 2.Qxd3#
      • 1...g3+
        • 2.Sfxg3#
      • 1...Bxe2!
    • 1.Kh2?
      • threat
        • 2.Sfg3#
      • 1...g3+
        • 2.Sfxg3#
      • 1...Bh1
        • 2.Qxg4#
      • 1...Bg2
        • 2.Qxg4#
      • 1...Bxe2!
  • Keys
    • 1.Rxb2!
      • 1...Rxb2
        • 2.Sxc3#
      • 1...Rxb6
        • 2.Sxc3#
      • 1...Bxe2
        • 2.Rxe2#
      • 1...cxb2
        • 2.Sd2#
      • 1...Ra3
        • 2.Rb4#
      • 1...Rb4
        • 2.Sxc3#
        • 2.Rxb4#
      • 1...Rb5
        • 2.Sxc3#
      • 1...Bh1
        • 2.Qxg4#
      • 1...Bg2
        • 2.Qxg4#
      • 1...Sc2
        • 2.Qd3#
      • 1...Sg2
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...c2
        • 2.Sd2#
      • 1...g5
        • 2.Qxh7#

There are these versions: 125420

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD::QAR2(H),XP(g)
    • B(e);OGATE,XS(C)::R(B),XB(e)
    • S(a);N_GUARD::QAB1(H)
    • S(a);N_GUARD::QAB1(H),XS(a)
    • P(d);XR(B)::S(A),XP(d)
    • P(j);OGATEB::QAB(H),XP(l)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • S(A)
      • Vars
        • S(a);CHECK,N_GUARD::QAB1(H),XS(a)
        • P(g);CHECK::S(A),XP(g)
      • Refutation
        • B(e);XS(C)
    • Try
      • K(D);S_FLIGHT
      • Threat
        • S(A)
      • Vars
        • P(g);CHECK::S(A),XP(g)
        • B(e);N_GUARD::QAR2(H),XP(g)
      • Refutation
        • B(e);XS(C)
  • Actual
    • R(B);XB(b)
    • Vars
      • R(c);N_GUARD,XR(B)::S(C),XP(d)
      • R(c);N_GUARD,XP(F)::S(C),XP(d)
      • B(e);OGATE,XS(C)::R(B),XB(e)
      • P(d);N_GUARD,XR(B)::S(A)
      • R(c);OGATE::R(B)
      • R(c);N_GUARD::S(C),XP(d)
      • B(e);N_GUARD::QAR2(H),XP(g)
      • S(a);N_GUARD::QAB1(H)
      • S(a);N_GUARD::QAB1(H),XS(a)
      • P(d);N_GUARD::S(A)
      • P(j);OGATEB::QAB(H),XP(l)
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