MESON Chess Problem Database
Problem Display
PID: 225359 (8/8/8/4b3/1QNp1p1B/3B1b1p/1N1P1P2/K3k3 w - - 0 1)
Rietveld, Johannes Jacob
Comm., Praca, 1952
#2
8 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.f3#
- 1...Bh1
- 2.f3#
- 1...Bg2
- 2.f3#
- 1...Be4
- 2.f3#
- 1...Bg4
- 2.f3#
- 1...Bd5
- 2.f3#
- 1...Bh5
- 2.f3#
- 1...Bc6
- 2.f3#
- 1...Bb7
- 2.f3#
- 1...Ba8
- 2.f3#
- 1...Bd1
- Tries
- 1.Sa3?
- threat
- 2.Sc2#
- 1...Bd1
- 2.f3#
- 1...Be2!
- threat
- 1.Sxe5?
- threat
- 2.Sxf3#
- 1...Bd1
- 2.f3#
- 1...Bh1
- 2.f3#
- 1...Bg2
- 2.f3#
- 1...Be4
- 2.f3#
- 1...Bg4
- 2.f3#
- 1...Bd5
- 2.f3#
- 1...Bh5
- 2.f3#
- 1...Bc6
- 2.f3#
- 1...Bb7
- 2.f3#
- 1...Ba8
- 2.f3#
- 1...Be2!
- threat
- 1.Sa3?
- Keys
- 1.Se3!
- threat
- 2.Sc2#
- 1...dxe3
- 2.fxe3#
- 1...fxe3
- 2.dxe3#
- 1...Bd1
- 2.f3#
- 1...Be2
- 2.f3#
- threat
- 1.Se3!
This is a version of 106560
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- B(b);OGATE::B(H)+P(D)
- Tries
- Try
- S(G);
- Threat
- S(G)
- Vars
- B(b);OGATE::B(H)+P(D)
- Refutation
- B(b);
- Try
- S(G);XB(f)
- Threat
- S(G),XB(b)
- Vars
- B(b);OGATE::B(H)+P(D)
- Refutation
- B(b);
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- P(d);OGATE,P_PINS(B),XS(G)::B(H)+P(D),XP(d)
- P(e);OGATE,XS(G)::QAB(F)+P(C),XP(e)
- B(b);OGATE::B(H)+P(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).