MESON Chess Problem Database
Problem Display
PID: 150630 (2Q4B/b5r1/K2P2p1/2Pk1p2/2Rp4/N2N1P2/8/5B2 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Schweizerische Schachzeitung, 2012
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Rb7
- 2.Sf4#
- 2.Rxd4#
- 1...Rc7
- 2.Sb4#
- 1...Rd7
- 2.Sf4#
- 1...Re7
- 2.Sb4#
- 2.Sf4#
- 2.Rxd4#
- 1...Rf7
- 2.Sb4#
- 2.Sf4#
- 2.Rxd4#
- 1...Rh7
- 2.Sb4#
- 2.Sf4#
- 2.Rxd4#
- 1...Rg8
- 2.Sb4#
- 2.Sf4#
- 2.Rxd4#
- 1...Rb7
- Tries
- 1.Bxg7?
- threat
- 2.Sb4#
- 2.Sf4#
- 2.Rxd4#
- 1...f4
- 2.Sb4#
- 2.Sxf4#
- 2.Rxd4#
- 1...g5
- 2.Sb4#
- 2.Rxd4#
- 1...Bxc5!
- threat
- 1.Qxf5+?
- 1...Kc6
- 2.Sb4#
- 1...gxf5!
- 1...Kc6
- 1.Qe6+?
- 1...Kc6
- 2.Sb4#
- 2.Se5#
- 1...Kxe6!
- 1...Kc6
- 1.Qe8?
- threat
- 2.Sb4#
- 2.Sf4#
- 1...Rd7
- 2.Sb4#
- 1...Re7
- 2.Sf4#
- 1...Rb7
- 2.Sf4#
- 2.Rxd4#
- 1...f4
- 2.Sb4#
- 2.Sxf4#
- 2.Qe4#
- 1...g5
- 2.Sb4#
- 1...Bxc5!
- threat
- 1.Bxg7?
- Keys
- 1.Sb5!
- threat
- 2.Rxd4#
- 1...Kxc4
- 2.Qe6#
- 1...Bxc5
- 2.Rxc5#
- 1...Rc7
- 2.Sb4#
- 1...Rd7
- 2.Sf4#
- threat
- 1.Sb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);::S(C)
- Tries
- Try
- B(J);XR(f)
- Threat
- DUALS(3)
- Refutation
- B(e);XP(F)
- Try
- Q(I);CHECK,XP(c)
- Vars
- K(b);S_FLIGHT::S(C)
- Refutation
- P(d);XQ(I)
- Try
- Q(I);CHECK
- Refutation
- K(b);S_FLIGHT,XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(f);::S(C)
- P(d);::S(C)
- Refutation
- B(e);XP(F)
- Try
- Actual
- S(B);
- Threat
- R1(E),XP(a)
- Vars
- K(b);S_FLIGHT,XR(E)::QAB(I)
- B(e);OGATE,XP(F)::R1(E),XB(e)
- R(f);::S(C)
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).