MESON Chess Problem Database
Problem Display
PID: 210743 (1Br1kN2/3R2K1/8/2p5/4b3/Q2pNp2/8/4R3 w - - 0 1)
Woerner, Johann Friedrich Hans
Deutsche Schachblatter, 1939
#2
7 + 6
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bd5
- 2.Sxd5#
- 1...Bf5
- 2.Sxf5#
- 1...Bc6
- 2.Sd5#
- 1...Bg6
- 2.Sf5#
- 1...Bb7
- 2.Sd5#
- 1...Bh7
- 2.Sf5#
- 1...Ba8
- 2.Sd5#
- 1...c4
- 2.Qe7#
- 1...Bd5
- Tries
- 1.Qb2?
- threat
- 2.Qe5#
- 1...Bd5
- 2.Sxd5#
- 1...Bf5
- 2.Sxf5#
- 1...Rc6!
- threat
- 1.Qxc5?
- threat
- 2.Qe7#
- 2.Qe5#
- 2.Qxc8#
- 1...Rxb8
- 2.Qe7#
- 2.Qe5#
- 1...Rc6
- 2.Qe7#
- 1...Rc7
- 2.Qe7#
- 2.Qe5#
- 1...Rd8
- 2.Re7#
- 2.Qe7#
- 2.Qe5#
- 1...Bd5
- 2.Sxd5#
- 2.Qe7#
- 2.Qxc8#
- 1...Bf5
- 2.Sxf5#
- 2.Qe7#
- 2.Qxc8#
- 1...Bc6
- 2.Sd5#
- 2.Qe7#
- 2.Qe5#
- 2.Qh5#
- 1...Bb7
- 2.Sd5#
- 2.Qe7#
- 2.Qe5#
- 2.Qh5#
- 1...Rxc5!
- threat
- 1.Qa1?
- threat
- 2.Qe5#
- 1...Bd5
- 2.Sxd5#
- 1...Bf5
- 2.Sxf5#
- 1...Rc6!
- threat
- 1.Qa2?
- threat
- 2.Qe6#
- 2.Qf7#
- 1...Rc6
- 2.Qf7#
- 1...Bd5
- 2.Sxd5#
- 1...Bf5
- 2.Sxf5#
- 2.Qf7#
- 1...Bg6
- 2.Sf5#
- 2.Qe6#
- 1...c4!
- threat
- 1.Qb3?
- threat
- 2.Qe6#
- 2.Qf7#
- 1...Rc6
- 2.Qf7#
- 1...Bd5
- 2.Sxd5#
- 1...Bf5
- 2.Sxf5#
- 2.Qf7#
- 1...Bg6
- 2.Sf5#
- 2.Qe6#
- 1...c4!
- threat
- 1.Qc3?
- threat
- 2.Qe5#
- 1...Bd5
- 2.Sxd5#
- 1...Bf5
- 2.Sxf5#
- 1...Rc6!
- threat
- 1.Qa6?
- threat
- 2.Qxc8#
- 2.Qe6#
- 1...Rxb8
- 2.Qe6#
- 1...Rc7
- 2.Qe6#
- 1...Rd8
- 2.Qe6#
- 1...Bd5
- 2.Sxd5#
- 2.Qxc8#
- 1...Bf5
- 2.Sxf5#
- 2.Qxc8#
- 1...Bc6
- 2.Sd5#
- 2.Qxc8#
- 1...Bb7
- 2.Sd5#
- 2.Qe6#
- 2.Qg6#
- 1...Rc6!
- threat
- 1.Qb2?
- Keys
- 1.Qa8!
- threat
- 2.Qxe4#
- 1...Bxa8
- 2.Sd5#
- 1...Rc6
- 2.Bc7#
- 1...Bd5
- 2.Sxd5#
- 1...Bf5
- 2.Sxf5#
- 1...Bc6
- 2.Sd5#
- 1...Bg6
- 2.Sf5#
- 1...Bb7
- 2.Sd5#
- 1...Bh7
- 2.Sf5#
- threat
- 1.Qa8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(c);::R(A)+S(C),XB(c)
- B(c);::R(A)+S(C)
- P(d);OGATE::QAR1(B)
- Tries
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- B(c);::R(A)+S(C),XB(c)
- Refutation
- R(e);
- Try
- Q(B);XP(d)
- Threat
- DUALS(3)
- Vars
- R(e);::QAR1(B)
- Refutation
- R(e);XQ(B)
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- B(c);::R(A)+S(C),XB(c)
- Refutation
- R(e);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(e);::QAB1(B)
- B(c);::R(A)+S(C),XB(c)
- Refutation
- P(d);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(e);::QAB1(B)
- B(c);::R(A)+S(C),XB(c)
- Refutation
- P(d);
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- B(c);::R(A)+S(C),XB(c)
- Refutation
- R(e);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(e);XB(F)::QAR2(B)
- R(e);P_PINR(D)::QAR2(B)
- R(e);::QAR2(B)
- Refutation
- R(e);
- Try
- Actual
- Q(B);
- Threat
- QAR(B),XB(c)
- Vars
- B(c);XQ(B)::R(A)+S(C)
- R(e);OGATEB::QAR(B)+B(F)
- B(c);::R(A)+S(C),XB(c)
- B(c);::R(A)+S(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).