MESON Chess Problem Database
Problem Display
PID: 210144 (2R2K1N/pp1r1p2/3k3n/BP1N2R1/8/qp2Q2B/2P4b/3r4 w - - 0 1)
Kohring, Rolf
Badische Neueste Nachrichten, 1992
#2
10 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Bb4#
- 2.Qc5#
- 1...Qb2
- 2.Bb4#
- 2.Qc5#
- 1...Qb4
- 2.Bxb4#
- 1...Qc5
- 2.Qxc5#
- 1...Qa1
- 2.Bb4#
- 2.Qc5#
- 1...Qa2
- 2.Bb4#
- 2.Qc5#
- 1...Qa4
- 2.Qc5#
- 1...Qxa5
- 2.Qc5#
- 1...Rc7
- 2.Bxc7#
- 1...Re7
- 2.Qxe7#
- 1...Rd8+
- 2.Rxd8#
- 1...Bg1
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Qxe5#
- 1...bxc2
- 2.Qxa3#
- 1...b2
- 2.Qxa3#
- 1...a6
- 2.Qb6#
- 1...b6
- 2.Rc6#
- 1...f6
- 2.Qe6#
- 1...Qc1
- Tries
- 1.Sf6?
- threat
- 2.Se4#
- 2.Se8#
- 1...Rd8+
- 2.Rxd8#
- 1...Sg4
- 2.Se8#
- 1...Qb4
- 2.Se8#
- 2.Bxb4#
- 1...Qa4
- 2.Se8#
- 2.Qc5#
- 1...Rd4
- 2.Se8#
- 2.Qxd4#
- 1...Re7
- 2.Qxe7#
- 1...Be5
- 2.Qxe5#
- 1...Sf5!
- threat
- 1.Sc7?
- threat
- 2.Se8#
- 1...Rd8+
- 2.Rxd8#
- 1...Rxc7
- 2.Bxc7#
- 1...Re7
- 2.Qxe7#
- 1...Be5
- 2.Qxe5#
- 1...f5
- 2.Rg6#
- 1...Sf5!
- threat
- 1.Sxf7+?
- 1...Sxf7
- 2.Qe6#
- 1...Rxf7+!
- 1...Sxf7
- 1.Rg6+?
- 1...fxg6
- 2.Qe6#
- 1...f6
- 2.Qe6#
- 1...Kxd5+!
- 1...fxg6
- 1.Sf6?
- Keys
- 1.Se7!
- 1...Rd8+
- 2.Rxd8#
- 1...Qxa5
- 2.Qc5#
- 1...Rxe7
- 2.Qxe7#
- 1...bxc2
- 2.Qxa3#
- 1...Sf5
- 2.Sxf7#
- 1...Qc1
- 2.Bb4#
- 2.Qc5#
- 1...Qb2
- 2.Bb4#
- 2.Qc5#
- 1...Qb4
- 2.Bxb4#
- 1...Qc5
- 2.Qxc5#
- 1...Qa1
- 2.Bb4#
- 2.Qc5#
- 1...Qa2
- 2.Bb4#
- 2.Qc5#
- 1...Qa4
- 2.Qc5#
- 1...Ra1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rb1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rc1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Re1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rf1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rg1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rh1
- 2.Rd5#
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Qxd3#
- 1...Rd4
- 2.Qxd4#
- 1...Rd5
- 2.Rxd5#
- 1...Rc7
- 2.Bxc7#
- 1...Bg1
- 2.Qf4#
- 2.Qg3#
- 2.Qe5#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Qxe5#
- 1...Sg4
- 2.Sxf7#
- 1...Sg8
- 2.Sxf7#
- 1...b2
- 2.Qxa3#
- 1...a6
- 2.Qb6#
- 1...b6
- 2.Rc6#
- 1...f5
- 2.Rg6#
- 1...f6
- 2.Qe6#
- 1...Rd8+
- 1.Se7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD::B(D),XQ(c)
- Q(c);N_GUARD::QAB1(B),XQ(c)
- Q(c);N_GUARD::QAB1(B)
- Q(c);N_GUARD,XB(D)::QAB1(B)
- R(i);N_GUARD::B(D),XR(i)
- R(i);N_GUARD::QAB1(B),XR(i)
- R(i);CHECK,OGATEB::R(H),XR(i)
- B(b);N_GUARD::QAB(B),XB(b)
- B(b);N_GUARD::QAB1(B),XB(b)
- P(d);OGATE,XP(A)::QAB(B),XQ(c)
- P(d);OGATE::QAB(B),XQ(c)
- P(g);N_GUARD::QAR2(B)
- P(h);N_GUARD::R1(H)
- P(j);N_GUARD::QAR1(B)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(i);CHECK,OGATEB::R(H),XR(i)
- S(f);::S(F)
- R(i);N_GUARD::QAB1(B),XR(i)
- B(b);N_GUARD::QAB1(B),XB(b)
- Refutation
- S(f);
- Try
- S(F);
- Threat
- S(F)
- Vars
- R(i);CHECK,OGATEB::R(H),XR(i)
- R(i);OGATE,XS(F)::B(D),XR(i)
- R(i);N_GUARD::QAB1(B),XR(i)
- B(b);N_GUARD::QAB1(B),XB(b)
- P(j);N_GUARD::R(G)
- Refutation
- S(f);
- Try
- S(J);CHECK,XP(j)
- Vars
- S(f);XS(J)::QAR1(B)
- Refutation
- R(i);CHECK,XS(J)
- Try
- R(G);CHECK
- Vars
- P(j);N_GUARD,XR(G)::QAR1(B)
- P(j);N_GUARD,P_SPINP(j)::QAR1(B)
- Refutation
- K(e);CHECK,P-FLIGHT,XS(F)
- Try
- Actual
- S(F);
- Vars
- R(i);CHECK,OGATEB::R(H),XR(i)
- Q(c);N_GUARD,XB(D)::QAB1(B)
- R(i);OGATE,XS(F)::QAB1(B),XR(i)
- P(d);OGATE,XP(A)::QAB(B),XQ(c)
- S(f);N_GUARD::S(J),XP(j)
- Q(c);N_GUARD::B(D),XQ(c)
- Q(c);N_GUARD::QAB1(B),XQ(c)
- Q(c);N_GUARD::QAB1(B)
- R(a);N_GUARD::QAR(B),XR(a)
- R(a);N_GUARD::QAR2(B),XR(a)
- R(a);N_GUARD::R1(G),XR(a)
- R(i);N_GUARD::B(D),XR(i)
- B(b);N_GUARD::QAB(B),XB(b)
- B(b);N_GUARD::QAB1(B),XB(b)
- P(d);OGATE::QAB(B),XQ(c)
- P(g);N_GUARD::QAR2(B)
- P(h);N_GUARD::R1(H)
- P(j);N_GUARD::R(G)
- P(j);N_GUARD::QAR1(B)
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).