MESON Chess Problem Database
Problem Display
PID: 209526 (2R1K1B1/6B1/3k3b/p2Np3/2n3N1/1r5r/2n1p3/1Q5R w - - 0 1)
Kohring, Rolf
Badische Neueste Nachrichten, 1990
#2
8 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Qb8#
- 1...Rbc3
- 2.Qb8#
- 1...Rbd3
- 2.Qb8#
- 1...Rbe3
- 2.Qb8#
- 1...Rbf3
- 2.Qb8#
- 1...Rbg3
- 2.Qb8#
- 1...Rb8
- 2.Qxb8#
- 1...Rhc3
- 2.Rxh6#
- 1...Rhd3
- 2.Rxh6#
- 1...Rhe3
- 2.Rxh6#
- 1...Rhg3
- 2.Rxh6#
- 1...Bc1
- 2.Bf8#
- 1...Bd2
- 2.Bf8#
- 1...Be3
- 2.Bf8#
- 1...Bf4
- 2.Bf8#
- 1...Sa1
- 2.Qg6#
- 1...Se1
- 2.Qg6#
- 1...S2a3
- 2.Qg6#
- 1...S2e3
- 2.Qg6#
- 1...Sb4
- 2.Qg6#
- 1...Sb2
- 2.Bxe5#
- 1...Sd2
- 2.Bxe5#
- 1...S4a3
- 2.Bxe5#
- 1...S4e3
- 2.Bxe5#
- 1...Sb6
- 2.Bxe5#
- 1...Ra3
- Tries
- 1.Sge3?
- threat
- 2.Sxc4#
- 2.Sf5#
- 1...Rbxe3
- 2.Qb8#
- 1...Rhxe3
- 2.Rxh6#
- 1...Bxe3
- 2.Bf8#
- 1...S2xe3
- 2.Qg6#
- 1...Rc3
- 2.Sf5#
- 2.Qb8#
- 1...Rb4
- 2.Sf5#
- 1...Rf3
- 2.Sxc4#
- 1...Rh4
- 2.Sf5#
- 1...Rh5
- 2.Sxc4#
- 1...S2a3
- 2.Sf5#
- 2.Qg6#
- 1...Sd4
- 2.Sxc4#
- 1...Sb2
- 2.Sf5#
- 1...Sd2
- 2.Sf5#
- 1...S4a3
- 2.Sf5#
- 1...Sb6
- 2.Sf5#
- 1...S4xe3!
- threat
- 1.Sxe5?
- threat
- 2.Sxc4#
- 2.Rc6#
- 1...Bxg7
- 2.Sxc4#
- 1...e1Q
- 2.Rc6#
- 1...e1R
- 2.Rc6#
- 1...Rbc3
- 2.Rc6#
- 2.Qb8#
- 1...Rbe3
- 2.Rc6#
- 2.Qb8#
- 1...Rb4
- 2.Rc6#
- 1...Rb6
- 2.Sxc4#
- 1...Rb8
- 2.Sxc4#
- 2.Qxb8#
- 1...Rhc3
- 2.Rxh6#
- 2.Rc6#
- 1...Rhe3
- 2.Rxh6#
- 2.Rc6#
- 1...Rh4
- 2.Rc6#
- 1...S2a3
- 2.Rc6#
- 2.Qg6#
- 1...S2e3
- 2.Rc6#
- 2.Qg6#
- 1...Sb4
- 2.Sxc4#
- 2.Qg6#
- 1...Sd4
- 2.Sxc4#
- 1...Sb2
- 2.Rc6#
- 1...Sd2
- 2.Rc6#
- 1...S4a3
- 2.Rc6#
- 1...S4e3
- 2.Rc6#
- 1...Sb6
- 2.Rc6#
- 1...Sxe5!
- threat
- 1.Sxh6?
- threat
- 2.Sf5#
- 2.Bf8#
- 1...Rxh6
- 2.Bf8#
- 2.Rxh6#
- 1...Rbf3
- 2.Qb8#
- 1...Rb7
- 2.Sf5#
- 1...Rh5
- 2.Bf8#
- 1...S2e3
- 2.Bf8#
- 2.Qg6#
- 1...Sd4
- 2.Bf8#
- 1...S4e3
- 2.Bf8#
- 1...e4
- 2.Sf5#
- 1...Rhf3!
- threat
- 1.Se7?
- threat
- 2.Sf5#
- 2.Rc6#
- 1...Rbf3
- 2.Rc6#
- 2.Qb8#
- 1...Rb6
- 2.Sf5#
- 1...Rb8
- 2.Sf5#
- 2.Qxb8#
- 1...Rhf3
- 2.Rc6#
- 1...Rh5
- 2.Rc6#
- 1...S2e3
- 2.Rc6#
- 2.Qg6#
- 1...Sb4
- 2.Sf5#
- 2.Qg6#
- 1...S4e3
- 2.Bxe5#
- 2.Rc6#
- 1...Sd4!
- threat
- 1.Qxb3?
- threat
- 2.Qb8#
- 1...Rxb3
- 2.Rxh6#
- 1...Sb6
- 2.Bxe5#
- 2.Qxb6#
- 1...Sb4!
- threat
- 1.Sge3?
- Keys
- 1.Sde3!
- threat
- 2.Sxc4#
- 2.Sf5#
- 1...Rbxe3
- 2.Qb8#
- 1...Rhxe3
- 2.Rxh6#
- 1...Bxe3
- 2.Bf8#
- 1...S2xe3
- 2.Qg6#
- 1...S4xe3
- 2.Bxe5#
- 1...Rc3
- 2.Sf5#
- 2.Qb8#
- 1...Rb4
- 2.Sf5#
- 1...Rf3
- 2.Sxc4#
- 1...Rh5
- 2.Sxc4#
- 1...S2a3
- 2.Sf5#
- 2.Qg6#
- 1...Sd4
- 2.Sxc4#
- 1...Sb2
- 2.Sf5#
- 2.Bxe5#
- 1...Sd2
- 2.Sf5#
- 2.Bxe5#
- 1...S4a3
- 2.Sf5#
- 2.Bxe5#
- 1...Sb6
- 2.Sf5#
- 2.Bxe5#
- threat
- 1.Sde3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 20
- Sets
- R(c);OGATE::QAB(A)
- R(c);OGATE,P_PINR(F)::QAB(A),XR(c)
- R(d);OGATE::R(B),XB(i)
- B(i);N_GUARD::B(E)
- S(a);OGATE::QAR(A)
- S(e);N_GUARD::B(E),XP(g)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XS(C)::QAB(A)
- R(d);OGATE,XS(C)::R(B),XB(i)
- B(i);N_GUARD,XS(C)::B(E)
- S(a);OGATE,XS(C)::QAR(A)
- R(c);::S(C)
- R(d);::S(C),XS(e)
- R(d);::S(C)
- S(a);::S(C),XS(e)
- S(e);::S(C)
- Refutation
- S(e);XS(C)
- Try
- S(C);XP(g)
- Threat
- DUALS(2)
- Vars
- B(i);XB(E)::S(C),XS(e)
- P(b);P_PINS(C)::R1(F)
- R(c);::R1(F)
- R(c);::S(C),XS(e)
- R(d);::R1(F)
- S(a);::S(C),XS(e)
- S(e);::R1(F)
- Refutation
- S(e);XS(C)
- Try
- S(C);XB(i)
- Threat
- DUALS(2)
- Vars
- R(c);OGATE::QAB(A)
- R(c);::S(C)
- R(d);::B(E)
- S(a);::B(E)
- S(e);::B(E)
- P(g);::S(C)
- Refutation
- R(d);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(c);::S(D)
- R(d);::R1(F)
- Refutation
- S(a);
- Try
- Q(A);XR(c)
- Threat
- QAB(A)
- Vars
- R(d);OGATE,XQ(A)::R(B),XB(i)
- Refutation
- S(a);
- Try
- Actual
- S(D);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XS(D)::QAB(A)
- R(d);OGATE,XS(D)::R(B),XB(i)
- B(i);N_GUARD,XS(D)::B(E)
- S(a);OGATE,XS(D)::QAR(A)
- S(e);N_GUARD,XS(D)::B(E),XP(g)
- R(c);::S(D)
- R(d);::S(D),XS(e)
- S(a);::S(D),XS(e)
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).