MESON Chess Problem Database
Problem Display
PID: 220396 (8/8/8/8/1K6/3B4/1Npk2N1/4R3 w - - 0 1)
Torngren, Pehr Hendrik
Die Schwalbe, 1928
#2
5 + 2
SOLUTION
- SOUND
- Sets
- 1...c1Q
- 2.Re2#
- 1...c1S
- 2.Rd1#
- 1...c1B
- 2.Rd1#
- 2.Re2#
- 1...c1R
- 2.Re2#
- 1...c1Q
- Tries
- 1.Kb3?
- 1...c1Q
- 2.Re2#
- 1...c1B
- 2.Rd1#
- 2.Re2#
- 1...c1R
- 2.Re2#
- 1...c1S+!
- 1...c1Q
- 1.Bf1?
- threat
- 2.Sc4#
- 1...c1Q
- 2.Re2#
- 1...c1B
- 2.Re2#
- 1...c1R
- 2.Re2#
- 1...c1S!
- threat
- 1.Bc4?
- 1...c1Q
- 2.Re2#
- 1...c1B
- 2.Re2#
- 1...c1R
- 2.Re2#
- 1...c1S!
- 1...c1Q
- 1.Bb5?
- 1...c1Q
- 2.Re2#
- 1...c1B
- 2.Re2#
- 1...c1R
- 2.Re2#
- 1...c1S!
- 1...c1Q
- 1.Ba6?
- 1...c1Q
- 2.Re2#
- 1...c1B
- 2.Re2#
- 1...c1R
- 2.Re2#
- 1...c1S!
- 1...c1Q
- 1.Kb3?
- Keys
- 1.Rf1!
- 1...c1Q
- 2.Rf2#
- 1...c1S
- 2.Rd1#
- 1...c1B
- 2.Rd1#
- 2.Rf2#
- 1...c1R
- 2.Rf2#
- 1...c1Q
- 1.Rf1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(a);SBLOCK::R1(A)
- P(a);N_GUARD::R1(A)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- P(a);SBLOCK::R1(A)
- Refutation
- P(a);CHECK
- Try
- B(D);
- Threat
- S(B)
- Vars
- P(a);SBLOCK::R1(A)
- Refutation
- P(a);
- Try
- B(D);
- Vars
- P(a);SBLOCK::R1(A)
- Refutation
- P(a);
- Try
- B(D);
- Vars
- P(a);SBLOCK::R1(A)
- Refutation
- P(a);
- Try
- B(D);
- Vars
- P(a);SBLOCK::R1(A)
- Refutation
- P(a);
- Try
- Actual
- R(A);
- Vars
- P(a);SBLOCK::R(A)
- P(a);N_GUARD::R1(A)
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).