MESON Chess Problem Database
Problem Display
PID: 149536 (8/6KN/8/8/4bRBk/5r2/4QP2/8 w - - 0 1)
Dehler, Ernst Georg
Deutsche Schachzeitung, 1912
#2
6 + 3
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Qxf2#
- 1...Ra3
- 2.Bf5#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 1...Rb3
- 2.Bf5#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 1...Rc3
- 2.Bf5#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 1...Rd3
- 2.Bf5#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 1...Re3
- 2.Bf5#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 1...Rh3
- 2.Bf3#
- 2.Bf5#
- 2.Bh5#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 1...Bb1
- 2.Qe7#
- 1...Bc2
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Bd5
- 2.Qe7#
- 1...Bf5
- 2.Qe7#
- 1...Bc6
- 2.Qe7#
- 1...Bg6
- 2.Qe7#
- 1...Bb7
- 2.Qe7#
- 1...Bxh7
- 2.Qe7#
- 1...Ba8
- 2.Qe7#
- 1...Rxf2
- Tries
- 1.Qe3?
- 1...Rxf2
- 2.Qxf2#
- 2.Qh3#
- 1...Rxf4
- 2.Qg3#
- 2.Qh3#
- 1...Bxh7
- 2.Qe7#
- 1...Rg3
- 2.Qxg3#
- 2.fxg3#
- 1...Rh3
- 2.Bd1#
- 2.Be2#
- 2.Bf3#
- 2.Qxh3#
- 1...Bb1
- 2.Qe7#
- 1...Bc2
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Bd5
- 2.Qe7#
- 1...Bf5
- 2.Qe7#
- 1...Bc6
- 2.Qe7#
- 1...Bg6
- 2.Qe7#
- 1...Bb7
- 2.Qe7#
- 1...Ba8
- 2.Qe7#
- 1...Rxe3!
- 1...Rxf2
- 1.Qe3?
- Keys
- 1.Qe1!
- 1...Rxf2
- 2.Qxf2#
- 1...Rxf4
- 2.f3#
- 1...Bxh7
- 2.Qe7#
- 1...Rg3
- 2.fxg3#
- 1...Ra3
- 2.f3#
- 1...Rb3
- 2.f3#
- 1...Rc3
- 2.f3#
- 1...Rd3
- 2.f3#
- 1...Re3
- 2.fxe3#
- 1...Rh3
- 2.Bd1#
- 2.Be2#
- 2.Bf3#
- 1...Bb1
- 2.Qe7#
- 1...Bc2
- 2.Qe7#
- 1...Bd3
- 2.Qe7#
- 1...Bd5
- 2.Qe7#
- 1...Bf5
- 2.Qe7#
- 1...Bc6
- 2.Qe7#
- 1...Bg6
- 2.Qe7#
- 1...Bb7
- 2.Qe7#
- 1...Ba8
- 2.Qe7#
- 1...Rxf2
- 1.Qe1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(a);OGATE,XP(B)::QAB(A),XR(a)
- B(b);OGATE::QAB(A)
- B(b);OGATE,XS(F)::QAB(A)
- Tries
- Try
- Q(A);
- Vars
- B(b);OGATE,XS(F)::QAB(A)
- B(b);OGATE::QAB(A)
- Refutation
- R(a);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- R(a);OGATE,P_SPINR(a),XP(B)::QAB(A),XR(a)
- R(a);OGATE,XR(C)::QAB(A)+P(B)
- B(b);OGATE,XS(F)::QAB(A)
- R(a);OGATE,P_PINB(D)::P(B),XR(a)
- R(a);OGATE::QAB(A)+P(B)
- R(a);OGATE::QAB(A)+P(B),XR(a)
- B(b);OGATE::QAB(A)
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).