MESON Chess Problem Database
Problem Display
PID: 122956 (B7/p7/pk5K/8/2P1N3/3N3p/3r3B/4Q3 w - - 0 1)
von Wardener, Friedrich Freiherr
Bohemia, 1903
#2
7 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qb4#
- 1...Ra2
- 2.Qb4#
- 1...Rc2
- 2.Qb4#
- 1...Re2
- 2.Qb4#
- 1...Rf2
- 2.Qb4#
- 1...Rg2
- 2.Qb4#
- 1...Rxd3
- 2.Qb4#
- 1...Rd1
- Tries
- 1.Sxd2?
- 1...a5
- 2.Qe6#
- 1...Ka5!
- 1...a5
- 1.Sec5?
- 1...Ka5
- 2.Bc7#
- 1...Rxd3
- 2.Sa4#
- 2.Qb4#
- 1...Rd1
- 2.Sa4#
- 2.Sd7#
- 2.Qb4#
- 1...Ra2
- 2.Sd7#
- 2.Qb4#
- 1...Rb2
- 2.Sa4#
- 2.Sd7#
- 1...Rc2
- 2.Sa4#
- 2.Sd7#
- 2.Qb4#
- 1...Re2
- 2.Sa4#
- 2.Sd7#
- 2.Qb4#
- 1...Rf2
- 2.Sa4#
- 2.Sd7#
- 2.Qb4#
- 1...Rg2
- 2.Sa4#
- 2.Sd7#
- 2.Qb4#
- 1...a5
- 2.Qe6#
- 1...Rxh2!
- 1...Ka5
- 1.Sf6?
- 1...Rxh2
- 2.Sd5#
- 1...Rxd3
- 2.Qb4#
- 1...Rd1
- 2.Sd5#
- 2.Sd7#
- 2.Qb4#
- 1...Ra2
- 2.Sd5#
- 2.Sd7#
- 2.Qb4#
- 1...Rb2
- 2.Sd5#
- 2.Sd7#
- 1...Rc2
- 2.Sd5#
- 2.Sd7#
- 2.Qb4#
- 1...Re2
- 2.Sd5#
- 2.Sd7#
- 2.Qb4#
- 1...Rf2
- 2.Sd5#
- 2.Sd7#
- 2.Qb4#
- 1...Rg2
- 2.Sd5#
- 2.Sd7#
- 2.Qb4#
- 1...a5
- 2.Qe6#
- 1...Ka5!
- 1...Rxh2
- 1.Qb1+?
- 1...Ka5
- 2.Qb4#
- 1...Rb2!
- 1...Ka5
- 1.Sxd2?
- Keys
- 1.Sc3!
- 1...Ka5
- 2.Bc7#
- 1...Rxh2
- 2.Sd5#
- 1...Rxd3
- 2.Sa4#
- 1...Rd1
- 2.Sa4#
- 2.Sd5#
- 1...Ra2
- 2.Sd5#
- 1...Rb2
- 2.Sa4#
- 2.Sd5#
- 1...Rc2
- 2.Sa4#
- 2.Sd5#
- 1...Re2
- 2.Sa4#
- 2.Sd5#
- 1...Rf2
- 2.Sa4#
- 2.Sd5#
- 1...Rg2
- 2.Sa4#
- 2.Sd5#
- 1...a5
- 2.Qe6#
- 1...Ka5
- 1.Sc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(a);OGATE::QAR2(A)
- R(a);OGATE,XS(C)::QAR2(A)
- Tries
- Try
- S(E);XR(a)
- Vars
- P(c);SBLOCK::QAR(A)
- Refutation
- K(d);S_FLIGHT
- Try
- S(E);
- Vars
- K(d);P_SPINR(a),S_FLIGHT::B(B)
- P(c);SBLOCK::QAR(A)
- Refutation
- R(a);XB(B)
- Try
- S(E);
- Vars
- R(a);XB(B)::S(E)
- R(a);OGATE,XS(C)::QAR2(A)
- P(c);SBLOCK::QAR(A)
- Refutation
- K(d);P_SPINR(a),S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(d);S_FLIGHT::QAB1(A)
- Refutation
- R(a);P_SPINR(a)
- Try
- Actual
- S(E);
- Vars
- K(d);S_FLIGHT::B(B)
- R(a);XB(B)::S(E)
- R(a);XS(C)::S(E)
- R(a);::S(E)
- P(c);SBLOCK::QAR(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).