MESON Chess Problem Database
Problem Display
PID: 51942 (Q3b3/n5br/1p1N4/1PkP1N1p/R7/P1r2Bp1/6P1/3R1n1K w - - 0 1)
Witt, Andreas
Die Schwalbe, 2003
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxa3
- 2.Rc4#
- 1...Rb3
- 2.Rc4#
- 1...Rd3
- 2.Rc4#
- 1...Re3
- 2.Rc4#
- 1...Rxf3
- 2.Rc4#
- 1...Rc4
- 2.Rxc4#
- 1...Bxb5
- 2.Se4#
- 2.Sb7#
- 1...Sxb5
- 2.Se4#
- 2.Sb7#
- 1...Rxa3
- Tries
- 1.Be2?
- threat
- 2.Se4#
- 2.Sb7#
- 1...Rd3
- 2.Rc4#
- 1...Re3
- 2.Sb7#
- 2.Rc4#
- 1...Rc4
- 2.Rxc4#
- 1...Bd4
- 2.Se4#
- 1...Be5
- 2.Se4#
- 1...Bf6
- 2.Se4#
- 1...Bh6
- 2.Se4#
- 1...Bf8
- 2.Se4#
- 1...Bh8
- 2.Se4#
- 1...Bc6
- 2.Se4#
- 1...Sd2!
- threat
- 1.Rb1?
- threat
- 2.Se4#
- 2.Sb7#
- 1...Rxf3
- 2.Se4#
- 2.Rc4#
- 1...Rb3
- 2.Rc4#
- 1...Re3
- 2.Sb7#
- 2.Rc4#
- 1...Rc4
- 2.Sb7#
- 2.Rxc4#
- 1...Bd4
- 2.Se4#
- 1...Be5
- 2.Se4#
- 1...Bf6
- 2.Se4#
- 1...Bh6
- 2.Se4#
- 1...Bf8
- 2.Se4#
- 1...Bh8
- 2.Se4#
- 1...Sd2
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...Bc6!
- threat
- 1.Qxe8?
- threat
- 2.Se4#
- 2.Sb7#
- 1...Rd3
- 2.Sb7#
- 2.Rc4#
- 1...Re3
- 2.Sb7#
- 2.Rc4#
- 1...Rc4
- 2.Sb7#
- 2.Rxc4#
- 1...Be5
- 2.Se4#
- 1...Bf6
- 2.Se4#
- 1...Bh6
- 2.Se4#
- 1...Bf8
- 2.Se4#
- 1...Bh8
- 2.Se4#
- 1...Sd2
- 2.Sb7#
- 1...Sc6
- 2.Qxc6#
- 1...Bd4!
- threat
- 1.Be2?
- Keys
- 1.Rb4!
- threat
- 2.Se4#
- 2.Sb7#
- 1...Rxa3
- 2.Rc4#
- 1...Re3
- 2.Sb7#
- 2.Rc4#
- 1...Rc4
- 2.Sb7#
- 2.Rxc4#
- 1...Bd4
- 2.Se4#
- 1...Be5
- 2.Se4#
- 1...Bf6
- 2.Se4#
- 1...Bh6
- 2.Se4#
- 1...Bf8
- 2.Se4#
- 1...Bh8
- 2.Se4#
- 1...Bc6
- 2.Se4#
- 1...Sd2
- 2.Sb7#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 5
- Sets
- R(b);N_GUARD,XP(D)::R1(F)
- R(b);N_GUARD::R1(F)
- R(b);N_GUARD,XB(E)::R1(F)
- R(b);N_GUARD::R1(F),XR(b)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::R1(F)
- R(b);N_GUARD::R1(F),XR(b)
- B(h);::S(J)
- B(j);::S(J)
- Refutation
- S(a);
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::R1(F)
- B(h);::S(J)
- S(a);::S(J)
- S(g);::S(J)
- Refutation
- B(j);
- Try
- Q(K);XB(j)
- Threat
- DUALS(2)
- Vars
- B(h);::S(J)
- S(a);::S(J)
- S(g);N_GUARD::QAR1(K),XS(g)
- Refutation
- B(h);
- Try
- Actual
- R(F);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XP(D)::R1(F)
- B(h);::S(J)
- B(j);::S(J)
- S(a);::S(J)
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).