MESON Chess Problem Database
Problem Display
PID: 234783 (kb5R/7B/K2N4/8/8/2n5/8/8 w - - 0 1)
Lincoln, Robert A
Kudesnik, 2016
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sb1
- Tries
- 1.Sc4?
- threat
- 2.Sb6#
- 1...Sa4
- 2.Be4#
- 1...Sd5!
- threat
- 1.Sb5?
- threat
- 2.Sc7#
- 1...Sxb5
- 2.Be4#
- 1...Sd5!
- threat
- 1.Sf7?
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- 1...Sb1
- 1.Sc8?
- threat
- 2.Sb6#
- 1...Sa4
- 2.Be4#
- 1...Sd5!
- threat
- 1.Se8?
- threat
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- threat
- 1.Bc2?
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- 1...Sb1
- 1.Bd3?
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- 1...Sb1
- 1.Be4+?
- 1...Sd5
- 2.Bxd5#
- 1...Sxe4!
- 1...Sd5
- 1.Bf5?
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- 1...Sb1
- 1.Bg6?
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- 1...Sb1
- 1.Rc8?
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- 1...Sb1
- 1.Rd8?
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- 1...Sb1
- 1.Re8?
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- 1...Sb1
- 1.Rf8?
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- 1...Sb1
- 1.Rg8?
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sd5!
- 1...Sb1
- 1.Sc4?
- Keys
- 1.Bg8!
- 1...Bxd6
- 2.Bd5#
- 1...Ba7
- 2.Bd5#
- 1...Bc7
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sb1
- 2.Bd5#
- 1...Sd1
- 2.Bd5#
- 1...Sa2
- 2.Bd5#
- 1...Se2
- 2.Bd5#
- 1...Sa4
- 2.Bd5#
- 1...Se4
- 2.Bd5#
- 1...Sb5
- 2.Bd5#
- 1...Bxd6
- 1.Bg8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 7
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- S(B);
- Threat
- S(B)
- Vars
- S(a);N_GUARD,XS(B)::B(C)
- Refutation
- S(a);
- Try
- S(B);
- Vars
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Refutation
- S(a);
- Try
- S(B);N_PINB(c)
- Threat
- S(B)
- Vars
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- S(B);N_PINB(c)
- Threat
- S(B)
- Vars
- B(c);::R(D)+S(B),DCHECK,XB(c)
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- B(C);
- Vars
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Refutation
- S(a);
- Try
- B(C);
- Vars
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Refutation
- S(a);
- Try
- B(C);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::B(C),XS(a)
- Refutation
- S(a);XB(C)
- Try
- B(C);
- Vars
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Refutation
- S(a);
- Try
- B(C);
- Vars
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Refutation
- S(a);
- Try
- R(D);
- Vars
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Refutation
- S(a);
- Try
- R(D);
- Vars
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Refutation
- S(a);
- Try
- R(D);
- Vars
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Refutation
- S(a);
- Try
- R(D);
- Vars
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Refutation
- S(a);
- Try
- R(D);
- Vars
- S(a);N_GUARD::B(C)
- S(a);N_GUARD::B(C),XS(a)
- Refutation
- S(a);
- Try
- Actual
- B(C);N_PINB(c)
- Vars
- B(c);XS(B)::R(D)+B(C),DCHECK
- B(c);::R(D)+B(C),DCHECK
- S(a);N_GUARD::B(C),XS(a)
- S(a);N_GUARD::B(C)
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).