MESON Chess Problem Database
Problem Display
PID: 20908 (3n4/8/1p6/3B1pN1/1PPk1B2/2r2P2/5P2/QK2N3 w - - 0 1)
Wurzburg, Otto
White to Play, 1913
#2
10 + 5
| 268 | Chess Life | 1960 |
| 3325 | Wurzburg Artistry | 1974 |
| 5424 | Versunkene Schatze | 1998 |
SOLUTION
- SOUND
- Sets
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...b5
- 2.Qa7#
- 1...Sc6
- Tries
- 1.Ka2?
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...b5!
- 1...Sc6
- 1.Sf7?
- threat
- 2.Be3#
- 2.Be5#
- 1...Sc6
- 2.Be3#
- 1...Sxf7!
- threat
- 1.Bh2?
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...b5
- 2.Qa7#
- 1...f4!
- 1...Sc6
- 1.Bg3?
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...b5
- 2.Qa7#
- 1...f4!
- 1...Sc6
- 1.Bd6?
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...b5
- 2.Qa7#
- 1...f4!
- 1...Sc6
- 1.Bc7?
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...b5
- 2.Qa7#
- 1...f4!
- 1...Sc6
- 1.Bb8?
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...b5
- 2.Qa7#
- 1...f4!
- 1...Sc6
- 1.Qb2?
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...b5!
- 1...Sc6
- 1.b5?
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...Kc5!
- 1...Sc6
- 1.Ka2?
- Keys
- 1.Kb2!
- 1...Rc2+
- 2.Kxc2#
- 1...Rb3+
- 2.Kxb3#
- 1...Rxf3
- 2.Sgxf3#
- 1...Rxc4
- 2.Qd1#
- 1...Rc1
- 2.Kxc1#
- 1...Ra3
- 2.Kxa3#
- 1...Rd3
- 2.Sc2#
- 1...Re3
- 2.fxe3#
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...b5
- 2.Qa7#
- 1...Rc2+
- 1.Kb2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- P(d);OGATEB::QAB(A)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- P(d);
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- S(e);::B(H)
- Refutation
- S(e);XS(J)
- Try
- B(H);
- Vars
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- P(d);OGATEB::QAB(A)
- Refutation
- P(c);
- Try
- B(H);
- Vars
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- P(d);OGATEB::QAB(A)
- Refutation
- P(c);
- Try
- B(H);
- Vars
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- P(d);OGATEB::QAB(A)
- Refutation
- P(c);
- Try
- B(H);
- Vars
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- P(d);OGATEB::QAB(A)
- Refutation
- P(c);
- Try
- B(H);
- Vars
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- P(d);OGATEB::QAB(A)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- P(d);
- Try
- P(F);
- Vars
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- K(b);N_SPINR(a),S_FLIGHT
- Try
- Actual
- K(B);N_PINR(a),P-FLIGHT
- Vars
- R(a);CHECK::QAB(A)+K(B),XR(a)
- R(a);XP(E)::S(J),XR(a)
- R(a);N_GUARD,XP(G)::QAR(A)
- R(a);::QAB(A)+K(B),XR(a)
- R(a);N_GUARD,SBLOCK::S(C)
- R(a);OGATE::P(D),XR(a)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- P(d);OGATEB::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).