MESON Chess Problem Database
Problem Display
PID: 54284 (1B4r1/KBn2N2/1N1Q1p2/1p2pp2/1Rn2k2/6pP/3P1bP1/5R2 w - - 0 1)
Servais, Albert
Volksgazet, 1952
(First published on Tue Nov 18 1952)
#2
11 + 10
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1952 |
| 78 | Bulletin Ouvrier des Echecs | 1955 |
| 5110 | Bekroonde Problemen | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Sa6
- 2.Qd4#
- 1...Sa8
- 2.Qd4#
- 1...Se8
- 2.Qd4#
- 1...Sa6
- Tries
- 1.Rb3?
- threat
- 2.Rf3#
- 1...Sxd2
- 2.Qxd2#
- 1...Se3
- 2.dxe3#
- 1...Sd5!
- threat
- 1.Qd3?
- threat
- 2.Qe3#
- 2.Qf3#
- 1...Sd5
- 2.Qf3#
- 2.Qd4#
- 1...e4!
- threat
- 1.Qd4+?
- 1...e4
- 2.Sd5#
- 1...exd4!
- 1...e4
- 1.Qxf6?
- threat
- 2.Qxe5#
- 1...Re8
- 2.Qh4#
- 2.Qg5#
- 2.Qh6#
- 1...e4!
- threat
- 1.Rb3?
- Keys
- 1.Qc5!
- threat
- 2.Qe3#
- 1...Sd5
- 2.Qd4#
- 1...e4
- 2.Sd5#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- S(i);::QAR2(G)
- Tries
- Try
- R(E);N_PINS(c)
- Threat
- R1(E)
- Vars
- S(c);OGATE,XP(B)::QAB(G),XS(c)
- S(c);N_PINS(F),OGATE::P(B),XS(c)
- Refutation
- S(i);
- Try
- Q(G);N_PINP(f)
- Threat
- DUALS(2)
- Refutation
- P(f);N_SPINS(c),P_SPINS(i)
- Try
- Q(G);CHECK,N_PINP(f),N_PINS(c),N_SPINS(F)
- Vars
- P(f);P_SPINP(f),P_SPINS(i)::S(F)
- Refutation
- P(f);P_SPINS(i),XQ(G)
- Try
- Q(G);N_PINP(f),P_PINP(g),XP(h)
- Threat
- QAB1(G),XP(f)
- Refutation
- P(f);N_SPINS(c),P_SPINS(i)
- Try
- Actual
- Q(G);N_PINP(f),N_SPINS(F)
- Threat
- QAB1(G)
- Vars
- S(i);P_SPINP(f)::QAR2(G)
- P(f);N_SPINS(c),P_SPINS(i),SBLOCK::S(F)
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).