MESON Chess Problem Database
Problem Display
PID: 95260 (4bN2/1n2K2p/5Qpr/1pk4p/1p3R1P/1B6/2P5/8 w - - 0 1)
Zepler, Erich Ernest
Deutsches Wochenschach, 1916
#2
7 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bc6
- 2.Qd4#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Sa5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sd8
- 2.Qd6#
- 1...g5
- 2.Rf5#
- 1...Bc6
- Tries
- 1.Ba2?
- 1...Bc6
- 2.Qd4#
- 1...Sd6
- 2.Qxd6#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...g5
- 2.Rf5#
- 1...b3!
- 1...Bc6
- 1.Rf2?
- 1...Sd6
- 2.Qxd6#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...g5
- 2.Rf5#
- 1...Bc6!
- 1...Sd6
- 1.Rf3?
- 1...Sd6
- 2.Qxd6#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...g5
- 2.Rf5#
- 1...Bc6!
- 1...Sd6
- 1.Rc4+?
- 1...Kd5
- 2.Qd4#
- 2.Qg5#
- 2.Qe6#
- 1...bxc4!
- 1...Kd5
- 1.Rd4?
- threat
- 2.Rd5#
- 1...Sd6
- 2.Qxd6#
- 1...Bf7
- 2.Sd7#
- 1...Bc6!
- threat
- 1.Re4?
- 1...Bc6
- 2.Qd4#
- 2.Qf2#
- 1...Sd6
- 2.Qxd6#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...g5!
- 1...Bc6
- 1.Rg4?
- threat
- 2.Rg5#
- 1...Bc6
- 2.Qd4#
- 2.Qf2#
- 1...Sd6
- 2.Qxd6#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...g5
- 2.Rxg5#
- 1...hxg4!
- threat
- 1.Qa6?
- threat
- 2.Se6#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Sd8
- 2.Qd6#
- 1...g5!
- threat
- 1.Qe6?
- 1...Bc6
- 2.Qe3#
- 1...Sd6
- 2.Qxd6#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...g5!
- 1...Bc6
- 1.c3?
- threat
- 2.cxb4#
- 1...Bc6
- 2.Qd4#
- 1...Sd6
- 2.Qxd6#
- 1...bxc3!
- threat
- 1.Ba2?
- Keys
- 1.Rf1!
- 1...Bc6
- 2.Qf2#
- 1...Sd6
- 2.Qxd6#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...g5
- 2.Rf5#
- 1...Bc6
- 1.Rf1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(i);SBLOCK::QAB1(E)
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- P(e);N_GUARD::R(C)
- Tries
- Try
- B(B);
- Vars
- B(i);SBLOCK::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- S(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R(C)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- S(g);N_GUARD::QAB1(E),XS(g)
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- S(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R(C)
- Refutation
- B(i);
- Try
- R(C);
- Vars
- S(g);N_GUARD::QAB1(E),XS(g)
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- S(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R(C)
- Refutation
- B(i);
- Try
- R(C);CHECK
- Refutation
- P(b);XR(C)
- Try
- R(C);
- Threat
- R1(C)
- Vars
- S(g);N_GUARD::QAB1(E),XS(g)
- B(i);N_GUARD::S(G)
- Refutation
- B(i);
- Try
- R(C);
- Vars
- S(g);N_GUARD::QAB1(E),XS(g)
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- S(g);N_GUARD::QAB1(E)
- Refutation
- P(e);
- Try
- R(C);
- Threat
- R(C)
- Vars
- S(g);N_GUARD::QAB1(E),XS(g)
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- P(e);::R(C),XP(e)
- Refutation
- P(d);XR(C)
- Try
- Q(E);
- Threat
- S(G)
- Vars
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- S(g);N_GUARD::QAB1(E)
- Refutation
- P(e);
- Try
- Q(E);
- Vars
- B(i);SBLOCK::QAB(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- S(g);N_GUARD::QAB1(E)
- Refutation
- P(e);
- Try
- P(A);
- Threat
- P(A),XP(a)
- Vars
- B(i);SBLOCK::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- Refutation
- P(a);XP(A)
- Try
- Actual
- R(C);
- Vars
- B(i);SBLOCK::QAB(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- S(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R(C)
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).