MESON Chess Problem Database

Problem Display
PID: 148165 (8/1nB5/pP3p2/k2N1Pp1/P5K1/NP6/1n6/8 w - - 0 1)

Dawson, Thomas Rayner

Chess Amateur (The), 1912

8/1nB5/pP3p2/k2N1Pp1/P5K1/NP6/1n6/8

#2

8 + 6

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Sc4#
    • 1...Sd3
      • 2.Sc4#
    • 1...Sxa4
      • 2.b4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...Sc5
      • 2.b7#
    • 1...Sd6
      • 2.b7#
    • 1...Sd8
      • 2.b7#
  • Tries
    • 1.Kf3?
      • 1...Sxa4
        • 2.b4#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sc5
        • 2.b7#
      • 1...Sd6
        • 2.b7#
      • 1...Sd8
        • 2.b7#
      • 1...g4+!
    • 1.Kg3?
      • 1...Sxa4
        • 2.b4#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sc5
        • 2.b7#
      • 1...Sd6
        • 2.b7#
      • 1...Sd8
        • 2.b7#
      • 1...g4!
    • 1.Kh3?
      • 1...Sxa4
        • 2.b4#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sc5
        • 2.b7#
      • 1...Sd6
        • 2.b7#
      • 1...Sd8
        • 2.b7#
      • 1...g4+!
    • 1.Kh5?
      • 1...Sxa4
        • 2.b4#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sc5
        • 2.b7#
      • 1...Sd6
        • 2.b7#
      • 1...Sd8
        • 2.b7#
      • 1...g4!
    • 1.Bf4?
      • threat
        • 2.Bd2#
      • 1...Sxa4
        • 2.b4#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...gxf4!
    • 1.Be5?
      • threat
        • 2.Bc3#
      • 1...Sxa4
        • 2.b4#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...fxe5!
    • 1.Bd8?
      • 1...Sxa4
        • 2.b4#
      • 1...Sc5
        • 2.b7#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sd6
        • 2.b7#
      • 1...Sxd8!
  • Keys
    • 1.Bg3!
      • threat
        • 2.Be1#
      • 1...Sxa4
        • 2.b4#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • S(a);N_GUARD::S(A)
    • S(a);SBLOCK,XP(C)::P(B)
    • S(a);N_GUARD::S(A),XS(a)
    • S(f);OGATE::B(H)+P(G)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • S(a);SBLOCK,XP(C)::P(B)
        • S(a);N_GUARD::S(A)
        • S(a);N_GUARD::S(A),XS(a)
        • S(f);OGATE::B(H)+P(G)
      • Refutation
        • P(c);CHECK
    • Try
      • K(D);P-FLIGHT
      • Vars
        • S(a);SBLOCK,XP(C)::P(B)
        • S(a);N_GUARD::S(A)
        • S(a);N_GUARD::S(A),XS(a)
        • S(f);OGATE::B(H)+P(G)
      • Refutation
        • P(c);
    • Try
      • K(D);S_FLIGHT
      • Vars
        • S(a);SBLOCK,XP(C)::P(B)
        • S(a);N_GUARD::S(A)
        • S(a);N_GUARD::S(A),XS(a)
        • S(f);OGATE::B(H)+P(G)
      • Refutation
        • P(c);CHECK
    • Try
      • K(D);S_FLIGHT
      • Vars
        • S(a);SBLOCK,XP(C)::P(B)
        • S(a);N_GUARD::S(A)
        • S(a);N_GUARD::S(A),XS(a)
        • S(f);OGATE::B(H)+P(G)
      • Refutation
        • P(c);
    • Try
      • B(H);
      • Threat
        • B(H)
      • Vars
        • S(a);SBLOCK,XP(C)::P(B)
        • S(a);N_GUARD::S(A)
        • S(a);N_GUARD::S(A),XS(a)
      • Refutation
        • P(c);XB(H)
    • Try
      • B(H);
      • Threat
        • B(H)
      • Vars
        • S(a);SBLOCK,XP(C)::P(B)
        • S(a);N_GUARD::S(A)
      • Refutation
        • P(e);XB(H)
    • Try
      • B(H);
      • Vars
        • S(a);SBLOCK,XP(C)::P(B)
        • S(f);OGATE::B(H)+P(G)
        • S(a);N_GUARD::S(A)
        • S(a);N_GUARD::S(A),XS(a)
      • Refutation
        • S(f);XB(H)
  • Actual
    • B(H);
    • Threat
      • B(H)
    • Vars
      • S(a);SBLOCK,XP(C)::P(B)
      • S(a);N_GUARD::S(A)
      • S(a);N_GUARD::S(A),XS(a)
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