MESON Chess Problem Database
Problem Display
PID: 176114 (6KB/2N5/5R2/3NkPpR/8/b3PP2/2br2r1/1B1Q4 w - - 0 1)
Beemann, K
Schach-Echo, 1939
#2
11 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rde2
- 2.Qd4#
- 1...Rdf2
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 2.exd4#
- 1...Rxd5
- 2.Qxd5#
- 1...Bxd1
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 1...Bb3
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 1...Ba4
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 1...Bxf5
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 1...Bd6
- 2.Rf7#
- 2.Rf8#
- 1...g4
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 1...Rde2
- Tries
- 1.Sb6?
- threat
- 2.Sc4#
- 1...Rd8+
- 2.Rf8#
- 1...Bb3+
- 2.Re6#
- 1...Rd4
- 2.Qxd4#
- 1...Bd3
- 2.Sd7#
- 1...Rg4!
- threat
- 1.Se7?
- threat
- 2.Sc6#
- 2.Sg6#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 1...Rd8+
- 2.Rf8#
- 1...Bb3+
- 2.Re6#
- 1...Bxf5
- 2.Sc6#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 1...Rd6
- 2.Sg6#
- 2.Rxd6#
- 2.Re6#
- 1...Ba4
- 2.Sg6#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 1...Be4
- 2.Sg6#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 1...Bd6
- 2.Sc6#
- 2.Sg6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 2.Rf7#
- 2.Rf8#
- 1...Bxe7!
- threat
- 1.Bxc2?
- threat
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 1...Rxc2
- 2.Qd4#
- 1...Bd6
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 2.Rf7#
- 2.Rf8#
- 1...Be7
- 2.Re6#
- 1...Bf8
- 2.Re6#
- 1...Rd3!
- threat
- 1.Rxg5?
- threat
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rfg6#
- 2.Rh6#
- 1...Rh2
- 2.Re6#
- 2.Rh6#
- 1...Bd6
- 2.Re6#
- 2.Rfg6#
- 2.Rh6#
- 2.Rf7#
- 2.Rf8#
- 1...Be7
- 2.Re6#
- 1...Bf8
- 2.Re6#
- 1...Rxg5+!
- threat
- 1.Rhh6?
- threat
- 2.Rf7#
- 2.Rf8#
- 1...Bf8
- 2.Rxf8#
- 1...Be7!
- threat
- 1.Rd6+?
- 1...Kxf5
- 2.Se7#
- 1...Kxd6!
- 1...Kxf5
- 1.Sb6?
- Keys
- 1.Sf4!
- threat
- 2.Sg6#
- 1...Rd8+
- 2.Rf8#
- 1...Bb3+
- 2.Re6#
- 1...gxf4+
- 2.Rg6#
- 1...Bxf5
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(b);OGATE::QAB1(B)
- R(b);OGATE,XS(E)::QAR1(B),XR(b)
- Tries
- Try
- S(E);
- Threat
- S(E)
- Vars
- R(b);CHECK::B(K)+R(H)
- B(a);CHECK::B(K)+R(H),DCHECK
- R(b);OGATE::QAB1(B),XR(b)
- B(a);S_CUTR(b)::S(E)
- Refutation
- R(c);
- Try
- S(E);
- Threat
- DUALS(8)
- Vars
- R(b);CHECK::B(K)+R(H)
- B(a);CHECK::B(K)+R(H),DCHECK
- Refutation
- B(d);XS(E)
- Try
- B(A);XB(a)
- Threat
- DUALS(6)
- Vars
- R(b);OGATE,XB(A)::QAB1(B)
- B(d);::B(K)+R(H),DCHECK
- Refutation
- R(b);
- Try
- R(G);P_SPINR(G),XP(f)
- Threat
- DUALS(6)
- Vars
- B(d);::B(K)+R(H),DCHECK
- Refutation
- R(c);CHECK,XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(d);::B(K)+R(H),XB(d)
- Refutation
- B(d);
- Try
- R(H);CHECK
- Vars
- K(e);P-FLIGHT,P_SPINB(a),P_SPINP(f),XP(F)::S(E)
- Refutation
- K(e);S_FLIGHT,XR(H)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- R(b);CHECK::B(K)+R(H)
- B(a);CHECK::B(K)+R(H),DCHECK
- P(f);CHECK,XS(E)::B(K)+R(H)
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).