MESON Chess Problem Database
Problem Display
PID: 226813 (n7/b1NB3R/2N5/r3n3/2p1k1p1/1R2p1Kp/pp6/3Q4 w - - 0 1)
Baumann, Klaus
Freie Presse, 1988
#2
7 + 11
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Qd5#
- 1...Ra4
- 2.Qd5#
- 1...Rc5
- 2.Qd4#
- 1...Rd5
- 2.Qxd5#
- 1...Ra6
- 2.Qd5#
- 1...Bd4
- 2.Qxd4#
- 1...Bc5
- 2.Qd5#
- 1...Bb8
- 2.Qd4#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Qc2#
- 1...Sg6
- 2.Qc2#
- 2.Qh1#
- 1...Sxd7
- 2.Qc2#
- 2.Qxg4#
- 1...Sf7
- 2.Qc2#
- 2.Qxg4#
- 2.Qh1#
- 1...Sb6
- 2.Qd4#
- 1...Ra3
- Tries
- 1.Se8?
- threat
- 2.Sd6#
- 2.Sf6#
- 1...Sxd7
- 2.Sd6#
- 1...Bd4
- 2.Sf6#
- 2.Qxd4#
- 1...Sd3
- 2.Sf6#
- 2.Qh1#
- 1...Rd5
- 2.Sf6#
- 1...Bc5
- 2.Sf6#
- 1...Bb8
- 2.Sf6#
- 2.Qd4#
- 1...Sf7
- 2.Sf6#
- 2.Qh1#
- 1...Sxc6!
- threat
- 1.Re7?
- threat
- 2.Qc2#
- 2.Qxg4#
- 2.Qh1#
- 1...Sxc7
- 2.Qh1#
- 1...a1Q
- 2.Qc2#
- 2.Qxg4#
- 1...a1S
- 2.Qxg4#
- 2.Qh1#
- 1...a1R
- 2.Qc2#
- 2.Qxg4#
- 1...b1Q
- 2.Qxg4#
- 1...b1B
- 2.Qxg4#
- 2.Qh1#
- 1...b1R
- 2.Qc2#
- 2.Qxg4#
- 1...Rd5
- 2.Qxg4#
- 2.Qh1#
- 2.Qxd5#
- 1...e2
- 2.Qc2#
- 2.Qh1#
- 1...c3
- 2.Qc2#
- 1...cxb3!
- threat
- 1.Rf7?
- threat
- 2.Bf5#
- 2.Rf4#
- 1...Sxd7
- 2.Rf4#
- 2.Qc2#
- 2.Qxg4#
- 2.Qh1#
- 1...Sxf7
- 2.Qc2#
- 2.Qxg4#
- 2.Qh1#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Rf4#
- 2.Qc2#
- 1...Sg6
- 2.Qc2#
- 2.Qh1#
- 1...Sxc6!
- threat
- 1.Se8?
- Keys
- 1.Rh5!
- threat
- 2.Bf5#
- 1...Sxc6
- 2.Qxg4#
- 1...Sxd7
- 2.Qc2#
- 2.Qxg4#
- 2.Qh1#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Qc2#
- 1...Sg6
- 2.Qc2#
- 2.Qh1#
- 1...Sf7
- 2.Qc2#
- 2.Qxg4#
- 2.Qh1#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(h);N_GUARD::QAB1(A)
- R(h);S_CUTB(j)::QAR1(A)
- R(h);N_GUARD::QAB1(A),XR(h)
- B(j);N_GUARD::QAR1(A),XB(j)
- B(j);S_CUTR(h)::QAB1(A)
- B(j);N_GUARD::QAR1(A)
- S(i);N_GUARD::QAB(A)
- S(k);S_CUTB(j)::QAR1(A)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(i);XB(F)::S(E)
- R(h);::S(E)
- B(j);::S(E)
- Refutation
- S(i);XS(D)
- Try
- R(G);P_PINS(i)
- Threat
- DUALS(3)
- Vars
- S(k);XS(E)::QAB(A)
- P(b);::QAR2(A),XP(g)
- P(e);::QAB(A)
- Refutation
- P(e);XR(B)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(i);N_GUARD::QAB(A)
- Refutation
- S(i);XS(D)
- Try
- Actual
- R(G);
- Threat
- B(F)
- Vars
- S(i);N_GUARD,XS(D)::QAR2(A),XP(g)
- S(i);N_GUARD::QAB(A)
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).