MESON Chess Problem Database
Problem Display
PID: 107179 (K7/3p4/2n1b2p/2N2p1R/p1P2k2/R1Q4P/1p1Pprnb/1B2B1N1 w - - 0 1)
Rittner, Horst Robert
2nd Prize, Dresdner Volkszeitung, 1929
#2
11 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Sxe2#
- 1...Rf3
- 2.Sxe2#
- 1...Bxg1
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bxc4
- 2.Rxf5#
- 1...Bd5
- 2.Rxf5#
- 1...Bf7
- 2.Rxf5#
- 1...Bg8
- 2.Rxf5#
- 1...Sxe1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sh4
- 2.Qe3#
- 1...Sb4
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Se5
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sb8
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...d5
- 2.Sxe6#
- 1...d6
- 2.Sxe6#
- 1...Rf1
- Tries
- 1.Sd3+?
- 1...Kg3
- 2.Bxf2#
- 2.Qg7#
- 1...Ke4!
- 1...Kg3
- 1.Sxd7?
- 1...Bxg1
- 2.Qg3#
- 1...Bxc4
- 2.Rxf5#
- 1...Sxe1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Rf1
- 2.Sxe2#
- 1...Rf3
- 2.Sxe2#
- 2.Qxf3#
- 1...Bg3
- 2.Qxg3#
- 1...Bd5
- 2.Rxf5#
- 1...Bf7
- 2.Rxf5#
- 1...Bg8
- 2.Rxf5#
- 1...Sh4
- 2.Qe3#
- 1...Sb4
- 2.Qd4#
- 2.Qe5#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 2.Qe5#
- 1...Se5
- 2.Qd4#
- 2.Qxe5#
- 1...Sa7
- 2.Qd4#
- 2.Qe5#
- 1...Se7
- 2.Qd4#
- 2.Qe5#
- 1...Sb8
- 2.Qd4#
- 2.Qe5#
- 1...Sd8
- 2.Qd4#
- 2.Qe5#
- 1...Bxd7!
- 1...Bxg1
- 1.Rh4+?
- 1...Sxh4
- 2.Qe3#
- 1...Kg5!
- 1...Sxh4
- 1.Sd3+?
- Keys
- 1.Qg7!
- 1...Bxg1
- 2.Qg3#
- 1...Bxc4
- 2.Rxf5#
- 1...Sxe1
- 2.Rh4#
- 1...d5
- 2.Sxe6#
- 1...Rf1
- 2.Sxe2#
- 1...Rf3
- 2.Sxe2#
- 2.Rxf3#
- 1...Bg3
- 2.Qxg3#
- 1...Bd5
- 2.Rxf5#
- 1...Bf7
- 2.Rxf5#
- 1...Bg8
- 2.Rxf5#
- 1...Se3
- 2.dxe3#
- 1...Sh4
- 2.Rxh4#
- 1...Sb4
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Se5
- 2.Qxh6#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sb8
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...d6
- 2.Sxe6#
- 1...Bxg1
- 1.Qg7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(c);N_GUARD::S(C),XP(b)
- B(e);N_GUARD,XS(C)::QAB1(F)
- B(e);N_GUARD::QAB1(F),XB(e)
- B(j);N_GUARD,XP(H)::R1(J),XP(h)
- B(j);N_GUARD::R1(J),XP(h)
- S(d);N_GUARD,XB(B)::QAB1(F)
- S(d);N_GUARD::QAB1(F),XS(d)
- S(d);N_GUARD::QAB1(F)
- S(i);N_GUARD::QAR2(F)
- S(i);N_GUARD::QAR2(F),XS(i)
- P(l);N_GUARD::S(I),XB(j)
- Tries
- Try
- S(I);CHECK
- Refutation
- K(g);P-FLIGHT
- Try
- S(I);XP(l)
- Vars
- B(e);N_GUARD,XS(C)::QAB1(F)
- B(j);N_GUARD,XP(H)::R1(J),XP(h)
- S(d);N_GUARD,XB(B)::QAB1(F)
- S(d);N_GUARD::QAB1(F),XS(d)
- R(c);N_GUARD::S(C),XP(b)
- B(e);N_GUARD::QAB1(F),XB(e)
- B(j);N_GUARD::R1(J),XP(h)
- S(d);N_GUARD::QAB1(F)
- S(i);N_GUARD::QAR2(F),XS(i)
- Refutation
- B(j);XS(I)
- Try
- R(J);CHECK
- Vars
- S(d);XR(J)::QAB1(F)
- Refutation
- K(g);S_FLIGHT
- Try
- Actual
- Q(F);
- Vars
- B(e);N_GUARD,XS(C)::QAB1(F)
- B(j);N_GUARD,XP(H)::R1(J),XP(h)
- S(d);N_GUARD,XB(B)::R(J)
- P(l);N_GUARD::S(I),XB(j)
- R(c);N_GUARD::S(C),XP(b)
- B(e);N_GUARD::QAB1(F),XB(e)
- B(j);N_GUARD::R1(J),XP(h)
- S(d);OGATE::P(D),XS(d)
- S(d);N_GUARD::R(J),XS(d)
- S(i);N_GUARD::QAR2(F)
- S(i);N_GUARD::QAR2(F),XS(i)
- S(i);SBLOCK::QAB(F),XP(k)
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).