MESON Chess Problem Database
Problem Display
PID: 213668 (8/8/6Np/3pNRqk/3p1R1P/5K2/4B3/4b3 w - - 0 1)
Overath, Lothar
Badische Illustrierte, 1991
#2
7 + 6
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxf5
- 2.Rxf5#
- 1...Bd2
- 2.Kf2#
- 1...Bf2
- 2.Kxf2#
- 1...Bc3
- 2.Kf2#
- 1...Bg3
- 2.Kg2#
- 1...Bb4
- 2.Kf2#
- 1...Bxh4
- 2.Rxh4#
- 1...Ba5
- 2.Kf2#
- 1...Qxf5
- Tries
- 1.Rxd4?
- 1...Bxh4
- 2.Sf4#
- 2.Rxh4#
- 1...Bd2
- 2.Kf2#
- 1...Bf2
- 2.Kxf2#
- 1...Bc3
- 2.Kf2#
- 1...Bg3
- 2.Kg2#
- 1...Bb4
- 2.Kf2#
- 1...Ba5
- 2.Kf2#
- 1...Qxf5+!
- 1...Bxh4
- 1.Rxd4?
- Keys
- 1.Bd1!
- 1...Qxf5
- 2.Rxf5#
- 1...Bxh4
- 2.Rxh4#
- 1...Bd2
- 2.Kf2#
- 1...Bf2
- 2.Kxf2#
- 1...Bc3
- 2.Kf2#
- 1...Bg3
- 2.Kg2#
- 1...Bb4
- 2.Kf2#
- 1...Ba5
- 2.Kf2#
- 1...d3
- 2.Ke3#
- 1...Qxf5
- 1.Bd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(d);N_SPINQ(d),OGATE,P_PINR(C),XR(F)::R(C),XQ(d)
- B(a);::B(A)+K(B)
- B(a);::B(A)+K(B),XB(a)
- B(a);OGATE,XP(D)::R1(C),XB(a)
- B(a);SBLOCK::B(A)+K(B)
- Tries
- Try
- R(C);XP(b)
- Vars
- B(a);::B(A)+K(B)
- B(a);::B(A)+K(B),XB(a)
- B(a);SBLOCK::B(A)+K(B)
- Refutation
- Q(d);CHECK,N_SPINQ(d),XR(F)
- Try
- Actual
- B(A);
- Vars
- Q(d);N_SPINQ(d),OGATE,P_PINR(C),XR(F)::R(C),XQ(d)
- B(a);OGATE,XP(D)::R1(C),XB(a)
- B(a);::B(A)+K(B)
- B(a);::B(A)+K(B),XB(a)
- B(a);SBLOCK::B(A)+K(B)
- P(b);::B(A)+K(B)
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).