MESON Chess Problem Database
Problem Display
PID: 235659 (8/1p6/1NkP4/K1P5/1P2R2b/p4R2/6r1/7B w - - 0 1)
Haring, Jacobus
Norsk Sjakkblad, 1958
#2
8 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Rf5?
- threat
- 2.b5#
- 1...Rb2
- 2.Re2#
- 1...Be1!
- threat
- 1.Rf8?
- threat
- 2.Rc8#
- 1...Rg7
- 2.Rg4#
- 1...Rg8
- 2.Rg4#
- 1...Bd8!
- threat
- 1.Rc4?
- threat
- 2.b5#
- 1...Rb2
- 2.Rf2#
- 1...Be1!
- threat
- 1.Re5?
- threat
- 2.b5#
- 1...Rb2
- 2.Rf2#
- 1...Be1!
- threat
- 1.Re7?
- threat
- 2.Rc7#
- 1...Rg7
- 2.Rg3#
- 1...Bxe7!
- threat
- 1.Re8?
- threat
- 2.Rc8#
- 1...Rg7
- 2.Rg3#
- 1...Rg8
- 2.Rg3#
- 1...Bd8!
- threat
- 1.Rf5?
- Keys
- 1.Rc3!
- threat
- 2.b5#
- 1...Rb2
- 2.Re2#
- threat
- 1.Rc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(B);
- Threat
- P(C)
- Vars
- R(a);OGATEB::B(A)+R(D)
- Refutation
- B(c);P_PINP(C)
- Try
- R(B);
- Threat
- R(B)
- Vars
- R(a);OGATEB::B(A)+R(D)
- Refutation
- B(c);P_PINS(G)
- Try
- R(D);
- Threat
- P(C)
- Vars
- R(a);OGATEB::B(A)+R(B)
- Refutation
- B(c);P_PINP(C)
- Try
- R(D);
- Threat
- P(C)
- Vars
- R(a);OGATEB::B(A)+R(B)
- Refutation
- B(c);P_PINP(C)
- Try
- R(D);
- Threat
- R1(D)
- Vars
- R(a);OGATEB::B(A)+R(B)
- Refutation
- B(c);XR(D)
- Try
- R(D);
- Threat
- R(D)
- Vars
- R(a);OGATEB::B(A)+R(B)
- Refutation
- B(c);P_PINS(G)
- Try
- Actual
- R(B);
- Threat
- P(C)
- Vars
- R(a);OGATEB::B(A)+R(D)
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).