MESON Chess Problem Database
Problem Display
PID: 3073 (8/3n4/3Bb3/4n3/3kB1p1/2RpN1N1/1P3K2/8 w - - 0 1)
Booth, David (Jr)
Chess Amateur (The), 1918
#2
7 + 6
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Sef5#
- 1...Bb3
- 2.Sef5#
- 1...Bc4
- 2.Sef5#
- 1...Bd5
- 2.Sef5#
- 1...Bf5
- 2.Sexf5#
- 1...Bf7
- 2.Sef5#
- 1...Bg8
- 2.Sef5#
- 1...Sf3
- 2.Rxd3#
- 1...Sc4
- 2.Rxd3#
- 1...Sc6
- 2.Rxd3#
- 1...Sg6
- 2.Rxd3#
- 1...Sf7
- 2.Rxd3#
- 1...Sc5
- 2.Bxc5#
- 1...Sb6
- 2.Bc5#
- 1...Sf6
- 2.Bc5#
- 1...Sb8
- 2.Bc5#
- 1...Sf8
- 2.Bc5#
- 1...d2
- 2.Sc2#
- 1...Ba2
- Tries
- 1.Kf1?
- 1...Ba2
- 2.Sef5#
- 1...Bb3
- 2.Sef5#
- 1...Bc4
- 2.Sef5#
- 1...Bd5
- 2.Sef5#
- 1...Bf5
- 2.Sexf5#
- 1...Bf7
- 2.Sef5#
- 1...Bg8
- 2.Sef5#
- 1...Sf3
- 2.Rxd3#
- 1...Sc4
- 2.Rxd3#
- 1...Sc6
- 2.Rxd3#
- 1...Sg6
- 2.Rxd3#
- 1...Sf7
- 2.Rxd3#
- 1...Sc5
- 2.Bxc5#
- 1...Sb6
- 2.Bc5#
- 1...Sf6
- 2.Bc5#
- 1...Sb8
- 2.Bc5#
- 1...Sf8
- 2.Bc5#
- 1...d2
- 2.Sc2#
- 1...Kxe3!
- 1...Ba2
- 1.Kg2?
- 1...Ba2
- 2.Sef5#
- 1...Bb3
- 2.Sef5#
- 1...Bc4
- 2.Sef5#
- 1...Bd5
- 2.Sef5#
- 1...Bf5
- 2.Sexf5#
- 1...Bf7
- 2.Sef5#
- 1...Bg8
- 2.Sef5#
- 1...Sf3
- 2.Rxd3#
- 1...Sc4
- 2.Rxd3#
- 1...Sc6
- 2.Rxd3#
- 1...Sg6
- 2.Rxd3#
- 1...Sf7
- 2.Rxd3#
- 1...Sc5
- 2.Bxc5#
- 1...Sb6
- 2.Bc5#
- 1...Sf6
- 2.Bc5#
- 1...Sb8
- 2.Bc5#
- 1...Sf8
- 2.Bc5#
- 1...d2
- 2.Sc2#
- 1...Kxe3!
- 1...Ba2
- 1.Rc4+?
- 1...Bxc4
- 2.Sef5#
- 1...Sxc4!
- 1...Bxc4
- 1.Kf1?
- Keys
- 1.Bd5!
- 1...Bxd5
- 2.Sef5#
- 1...Bf5
- 2.Sgxf5#
- 1...Bf7
- 2.Sgf5#
- 1...Bg8
- 2.Sgf5#
- 1...Sf3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sc6
- 2.Rc4#
- 1...Sg6
- 2.Rc4#
- 1...Sf7
- 2.Rc4#
- 1...Sc5
- 2.Bxc5#
- 1...Sb6
- 2.Bc5#
- 1...Sf6
- 2.Bc5#
- 1...Sb8
- 2.Bc5#
- 1...Sf8
- 2.Bc5#
- 1...d2
- 2.Se2#
- 1...Bxd5
- 1.Bd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(e);N_GUARD::S(D)
- B(e);N_GUARD::S(D),XB(e)
- S(d);N_GUARD::R1(C),XP(a)
- S(f);N_GUARD::B(G),XS(f)
- S(f);N_GUARD::B(G)
- P(a);N_GUARD::S(D)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- B(e);N_GUARD::S(D)
- B(e);N_GUARD::S(D),XB(e)
- S(d);N_GUARD::R1(C),XP(a)
- S(f);N_GUARD::B(G),XS(f)
- S(f);N_GUARD::B(G)
- P(a);N_GUARD::S(D)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT,XS(D)
- Try
- K(B);P-FLIGHT
- Vars
- B(e);N_GUARD::S(D)
- B(e);N_GUARD,P_PINB(F)::S(D)
- B(e);N_GUARD::S(D),XB(e)
- S(d);N_GUARD::R1(C),XP(a)
- S(f);N_GUARD::B(G),XS(f)
- S(f);N_GUARD::B(G)
- P(a);N_GUARD::S(D)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT,XS(D)
- Try
- R(C);CHECK
- Vars
- B(e);SBLOCK,XR(C)::S(D)
- Refutation
- S(d);XR(C)
- Try
- Actual
- B(F);
- Vars
- B(e);N_GUARD,SBLOCK,XB(F)::S(D)
- B(e);N_GUARD::S(E),XB(e)
- B(e);N_GUARD::S(E)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(f);N_GUARD::B(G),XS(f)
- S(f);N_GUARD::B(G)
- P(a);N_GUARD::S(E)
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).