MESON Chess Problem Database
Problem Display
PID: 18157 (8/4Q3/2k4n/2p3p1/P1N1Kb2/7p/5P1P/2n4B w - - 0 1)
Mansfield, Comins
Time & Tide, 1953
#2
7 + 7
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Ke5#
- 1...Bxh2
- 2.Ke3#
- 1...Be3
- 2.Kxe3#
- 2.Ke5#
- 1...Bg3
- 2.Ke3#
- 1...Be5
- 2.Ke3#
- 2.Kxe5#
- 1...Bd6
- 2.Ke3#
- 1...Bc7
- 2.Ke3#
- 1...Bb8
- 2.Ke3#
- 1...Sa2
- 2.Kd3#
- 1...Se2
- 2.Kd3#
- 1...Sb3
- 2.Kd3#
- 1...Sd3
- 2.Kxd3#
- 1...Sg4
- 2.Kf5#
- 1...Sf5
- 2.Kxf5#
- 1...Sf7
- 2.Kf5#
- 1...Sg8
- 2.Kf5#
- 1...g4
- 2.Kxf4#
- 1...Bd2
- Tries
- 1.Bf3?
- 1...Bxh2
- 2.Ke3#
- 1...Bc7
- 2.Ke3#
- 1...Bd2
- 2.Ke5#
- 1...Be3
- 2.Kxe3#
- 2.Ke5#
- 1...Bg3
- 2.Ke3#
- 1...Be5
- 2.Ke3#
- 2.Kxe5#
- 1...Bd6
- 2.Ke3#
- 1...Bb8
- 2.Ke3#
- 1...Sa2
- 2.Kd3#
- 1...Se2
- 2.Kd3#
- 1...Sb3
- 2.Kd3#
- 1...Sd3
- 2.Kxd3#
- 1...Sg4
- 2.Kf5#
- 1...Sf5
- 2.Kxf5#
- 1...Sf7
- 2.Kf5#
- 1...Sg8
- 2.Kf5#
- 1...g4!
- 1...Bxh2
- 1.Qd8?
- threat
- 2.Sa5#
- 1...Bd2
- 2.Ke5#
- 2.Qc8#
- 1...Bc7
- 2.Ke3#
- 2.Qd5#
- 1...Sb3
- 2.Kd3#
- 1...Kb7!
- threat
- 1.Qa7?
- 1...Bxh2
- 2.Ke3#
- 1...Bd2
- 2.Ke5#
- 1...Be3
- 2.Kxe3#
- 2.Ke5#
- 1...Bg3
- 2.Ke3#
- 1...Be5
- 2.Ke3#
- 2.Kxe5#
- 1...Bd6
- 2.Ke3#
- 2.Sa5#
- 1...Bb8
- 2.Ke3#
- 1...Sa2
- 2.Kd3#
- 1...Se2
- 2.Kd3#
- 1...Sb3
- 2.Kd3#
- 1...Sd3
- 2.Kxd3#
- 1...Sg4
- 2.Kf5#
- 1...Sf5
- 2.Kxf5#
- 1...Sf7
- 2.Kf5#
- 1...Sg8
- 2.Kf5#
- 1...g4
- 2.Kxf4#
- 1...Bc7!
- 1...Bxh2
- 1.Qf7?
- 1...Bxh2
- 2.Ke3#
- 1...Bc7
- 2.Ke3#
- 2.Qd5#
- 1...Bd2
- 2.Ke5#
- 1...Be3
- 2.Kxe3#
- 2.Ke5#
- 1...Bg3
- 2.Ke3#
- 1...Be5
- 2.Ke3#
- 2.Kxe5#
- 1...Bd6
- 2.Ke3#
- 1...Bb8
- 2.Ke3#
- 1...Sa2
- 2.Kd3#
- 1...Se2
- 2.Kd3#
- 1...Sb3
- 2.Kd3#
- 1...Sd3
- 2.Kxd3#
- 1...Sg4
- 2.Kf5#
- 1...Sf5
- 2.Kxf5#
- 1...Sg8
- 2.Kf5#
- 1...g4
- 2.Kxf4#
- 1...Sxf7!
- 1...Bxh2
- 1.Qg7?
- 1...Bxh2
- 2.Ke3#
- 1...Bc7
- 2.Ke3#
- 1...Bd2
- 2.Ke5#
- 1...Be3
- 2.Kxe3#
- 2.Ke5#
- 1...Bg3
- 2.Ke3#
- 1...Be5
- 2.Ke3#
- 2.Kxe5#
- 1...Bd6
- 2.Ke3#
- 1...Bb8
- 2.Ke3#
- 1...Sa2
- 2.Kd3#
- 1...Se2
- 2.Kd3#
- 1...Sb3
- 2.Kd3#
- 1...Sd3
- 2.Kxd3#
- 1...Sg4
- 2.Kf5#
- 1...Sf5
- 2.Kxf5#
- 1...Sg8
- 2.Kf5#
- 1...g4
- 2.Kxf4#
- 1...Sf7!
- 1...Bxh2
- 1.Qh7?
- 1...Bxh2
- 2.Ke3#
- 1...Bc7
- 2.Ke3#
- 1...Bd2
- 2.Ke5#
- 1...Be3
- 2.Kxe3#
- 2.Ke5#
- 1...Bg3
- 2.Ke3#
- 1...Be5
- 2.Ke3#
- 2.Kxe5#
- 1...Bd6
- 2.Ke3#
- 1...Bb8
- 2.Ke3#
- 1...Sa2
- 2.Kd3#
- 1...Se2
- 2.Kd3#
- 1...Sb3
- 2.Kd3#
- 1...Sd3
- 2.Kxd3#
- 1...Sg4
- 2.Kf5#
- 1...Sf5
- 2.Kxf5#
- 1...Sg8
- 2.Kf5#
- 1...g4
- 2.Kxf4#
- 1...Sf7!
- 1...Bxh2
- 1.Bf3?
- Keys
- 1.Kf3!
- 1...g4+
- 2.Kxf4#
- 1...Kd5
- 2.Qe4#
- 1...Bxh2
- 2.Ke3#
- 1...Bc7
- 2.Ke3#
- 1...Bd2
- 2.Kg3#
- 1...Be3
- 2.Kxe3#
- 2.Kg3#
- 1...Bg3
- 2.Ke3#
- 2.Kxg3#
- 1...Be5
- 2.Ke3#
- 1...Bd6
- 2.Ke3#
- 1...Bb8
- 2.Ke3#
- 1...Sa2
- 2.Ke2#
- 1...Se2
- 2.Kxe2#
- 1...Sb3
- 2.Ke2#
- 1...Sd3
- 2.Ke2#
- 1...Sg4
- 2.Kxg4#
- 1...Sf5
- 2.Kg4#
- 1...Sf7
- 2.Kg4#
- 1...Sg8
- 2.Kg4#
- 1...g4+
- 1.Kf3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(c);::B(A)+K(F)
- B(c);XP(C)::B(A)+K(F)
- S(a);::B(A)+K(F)
- S(a);::B(A)+K(F),XS(a)
- S(g);::B(A)+K(F)
- S(g);::B(A)+K(F),XS(g)
- P(e);::B(A)+K(F),XB(c)
- Tries
- Try
- B(A);
- Vars
- B(c);XP(C)::B(A)+K(F)
- B(c);::B(A)+K(F)
- S(a);::B(A)+K(F)
- S(a);::B(A)+K(F),XS(a)
- S(g);::B(A)+K(F)
- S(g);::B(A)+K(F),XS(g)
- Refutation
- P(e);
- Try
- Q(G);
- Threat
- S(E)
- Vars
- S(a);::B(A)+K(F)
- Refutation
- K(f);S_FLIGHT
- Try
- Q(G);
- Vars
- B(c);XP(C)::B(A)+K(F)
- B(c);::B(A)+K(F)
- S(a);::B(A)+K(F)
- S(a);::B(A)+K(F),XS(a)
- S(g);::B(A)+K(F)
- S(g);::B(A)+K(F),XS(g)
- P(e);::B(A)+K(F),XB(c)
- Refutation
- B(c);
- Try
- Q(G);
- Vars
- B(c);XP(C)::B(A)+K(F)
- B(c);::B(A)+K(F)
- S(a);::B(A)+K(F)
- S(a);::B(A)+K(F),XS(a)
- S(g);::B(A)+K(F)
- S(g);::B(A)+K(F),XS(g)
- P(e);::B(A)+K(F),XB(c)
- Refutation
- S(g);XQ(G)
- Try
- Q(G);
- Vars
- B(c);XP(C)::B(A)+K(F)
- B(c);::B(A)+K(F)
- S(a);::B(A)+K(F)
- S(a);::B(A)+K(F),XS(a)
- S(g);::B(A)+K(F)
- S(g);::B(A)+K(F),XS(g)
- P(e);::B(A)+K(F),XB(c)
- Refutation
- S(g);
- Try
- Q(G);
- Vars
- B(c);XP(C)::B(A)+K(F)
- B(c);::B(A)+K(F)
- S(a);::B(A)+K(F)
- S(a);::B(A)+K(F),XS(a)
- S(g);::B(A)+K(F)
- S(g);::B(A)+K(F),XS(g)
- P(e);::B(A)+K(F),XB(c)
- Refutation
- S(g);
- Try
- Actual
- K(F);S_FLIGHT
- Vars
- P(e);CHECK::B(A)+K(F),XB(c)
- K(f);S_FLIGHT::QAB1(G)
- B(c);XP(C)::B(A)+K(F)
- B(c);::B(A)+K(F)
- S(a);::B(A)+K(F)
- S(a);::B(A)+K(F),XS(a)
- S(g);::B(A)+K(F),XS(g)
- S(g);::B(A)+K(F)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).