MESON Chess Problem Database
Problem Display
PID: 101401 (8/2p5/2P5/1pRNp3/1P2P2p/5R1K/1BBkp3/6N1 w - - 0 1)
Niemeijer, Meindert
Good Companions, 1924
#2
10 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ke1
- 2.Bc3#
- 1...e1Q
- 2.Rd3#
- 1...e1S
- 2.Rf2#
- 1...e1B
- 2.Rd3#
- 1...e1R
- 2.Rd3#
- 1...Ke1
- Tries
- 1.Kh2?
- 1...Ke1
- 2.Bc3#
- 1...e1Q
- 2.Rd3#
- 1...e1S
- 2.Rf2#
- 1...e1B
- 2.Rd3#
- 1...e1R
- 2.Rd3#
- 1...h3!
- 1...Ke1
- 1.Kg4?
- 1...Ke1
- 2.Bc3#
- 1...e1Q
- 2.Rd3#
- 1...e1S
- 2.Rf2#
- 1...e1B
- 2.Rd3#
- 1...e1R
- 2.Rd3#
- 1...h3!
- 1...Ke1
- 1.Sf6?
- 1...Ke1
- 2.Bc3#
- 1...e1Q
- 2.Rd3#
- 1...e1B
- 2.Rd3#
- 1...e1R
- 2.Rd3#
- 1...e1S!
- 1...Ke1
- 1.Sxc7?
- 1...Ke1
- 2.Bc3#
- 1...e1Q
- 2.Rd3#
- 1...e1B
- 2.Rd3#
- 1...e1R
- 2.Rd3#
- 1...e1S!
- 1...Ke1
- 1.Se7?
- 1...Ke1
- 2.Bc3#
- 1...e1Q
- 2.Rd3#
- 1...e1B
- 2.Rd3#
- 1...e1R
- 2.Rd3#
- 1...e1S!
- 1...Ke1
- 1.Ba3?
- 1...e1Q
- 2.Rd3#
- 1...e1S
- 2.Rf2#
- 1...e1B
- 2.Rd3#
- 1...e1R
- 2.Rd3#
- 1...Ke1!
- 1...e1Q
- 1.Re3?
- threat
- 2.Sf3#
- 2.Rxe2#
- 1...e1Q
- 2.Sf3#
- 2.Rd3#
- 1...e1S
- 2.Re2#
- 1...e1B
- 2.Sf3#
- 2.Re2#
- 2.Rd3#
- 1...e1R
- 2.Sf3#
- 2.Rd3#
- 1...Ke1!
- threat
- 1.Rcc3?
- 1...e1Q
- 2.Rfd3#
- 1...e1S
- 2.Rf2#
- 1...e1B
- 2.Rfd3#
- 1...e1R
- 2.Rfd3#
- 1...Ke1!
- 1...e1Q
- 1.Rc4?
- 1...Ke1
- 2.Bc3#
- 1...e1Q
- 2.Rd3#
- 1...e1S
- 2.Rf2#
- 1...e1B
- 2.Rd3#
- 1...e1R
- 2.Rd3#
- 1...bxc4!
- 1...Ke1
- 1.Kh2?
- Keys
- 1.Se3!
- 1...Ke1
- 2.Bc3#
- 1...e1Q
- 2.Rd5#
- 1...e1S
- 2.Sf1#
- 1...e1B
- 2.Sf1#
- 2.Rd5#
- 1...e1R
- 2.Rd5#
- 1...Ke1
- 1.Se3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- K(a);S_FLIGHT::B(B)
- P(b);SBLOCK::R1(D)
- P(b);OGATEB,SBLOCK::R(D)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- K(a);S_FLIGHT::B(B)
- P(b);SBLOCK::R1(D)
- P(b);OGATEB,SBLOCK::R(D)
- Refutation
- P(c);
- Try
- K(E);S_FLIGHT
- Vars
- K(a);S_FLIGHT::B(B)
- P(b);SBLOCK::R1(D)
- P(b);OGATEB,SBLOCK::R(D)
- Refutation
- P(c);
- Try
- S(I);
- Vars
- K(a);S_FLIGHT::B(B)
- P(b);SBLOCK::R1(D)
- Refutation
- P(b);
- Try
- S(I);XP(f)
- Vars
- K(a);S_FLIGHT::B(B)
- P(b);SBLOCK::R1(D)
- Refutation
- P(b);
- Try
- S(I);
- Vars
- K(a);S_FLIGHT::B(B)
- P(b);SBLOCK::R1(D)
- Refutation
- P(b);
- Try
- B(B);
- Vars
- P(b);SBLOCK::R1(D)
- P(b);OGATEB,SBLOCK::R(D)
- Refutation
- K(a);S_FLIGHT
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(b);::R1(D)
- Refutation
- K(a);P_SPINP(b),S_FLIGHT
- Try
- R(H);
- Vars
- P(b);SBLOCK::R1(D)
- P(b);OGATEB,SBLOCK::R(D)
- Refutation
- K(a);S_FLIGHT
- Try
- R(H);
- Vars
- K(a);S_FLIGHT::B(B)
- P(b);SBLOCK::R1(D)
- P(b);OGATEB,SBLOCK::R(D)
- Refutation
- P(d);XR(H)
- Try
- Actual
- S(I);
- Vars
- K(a);S_FLIGHT::B(B)
- P(b);SBLOCK::R(H)
- P(b);N_GUARD,SBLOCK::S(I)
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).