MESON Chess Problem Database
Problem Display
PID: 212393 (2Brr3/KPBn3N/1R6/3k4/1Q3b1R/5Pq1/5p2/8 w - - 0 1)
Liphardt, Bodo
Kieler Schachgesellschaft, 1971
#2
9 + 7
| 1582 | Land og Folk | 1979 |
| 16882 | KSG-Problemschach 1969-1987 (Muck/Laue) | 1993 |
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.fxe4#
- 1...Re5
- 2.Rd6#
- 1...Bc1
- 2.Rd4#
- 2.Qc4#
- 2.Qd4#
- 1...Bd2
- 2.Rd4#
- 2.Qc4#
- 2.Qd4#
- 1...Be3
- 2.Qc4#
- 1...Be5
- 2.Qc4#
- 1...Bg5
- 2.Rd4#
- 2.Qc4#
- 2.Qd4#
- 1...Bh6
- 2.Rd4#
- 2.Qc4#
- 2.Qd4#
- 1...Bxc7
- 2.Qd4#
- 1...Sc5
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sb8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...Re4
- Tries
- 1.Bxd7?
- threat
- 2.Sf6#
- 2.Rb5#
- 1...Qxh4
- 2.Rb5#
- 1...Rxd7
- 2.Sf6#
- 1...Bxc7
- 2.Rb5#
- 2.Qa5#
- 2.Qd4#
- 2.Qb5#
- 1...Bd6
- 2.Qd4#
- 1...f1Q
- 2.Sf6#
- 1...f1B
- 2.Sf6#
- 1...Qg5
- 2.Rb5#
- 1...Qg6
- 2.Rb5#
- 1...Qg7
- 2.Rb5#
- 1...Re6
- 2.Bxe6#
- 2.Rb5#
- 1...Rf8
- 2.Be6#
- 2.Rb5#
- 1...Be3
- 2.Sf6#
- 2.Qc4#
- 1...Be5
- 2.Rb5#
- 2.Qa5#
- 2.Qc4#
- 2.Qb5#
- 1...Bg5
- 2.Rd4#
- 2.Rb5#
- 2.Qa5#
- 2.Qc4#
- 2.Qd4#
- 2.Qb5#
- 1...Ra8+!
- threat
- 1.Rxf4?
- threat
- 2.Rd4#
- 2.Qd6#
- 2.Qc4#
- 2.Qd4#
- 1...Sxb6
- 2.Qb5#
- 1...f1Q
- 2.Rd4#
- 2.Qd6#
- 2.Qd4#
- 1...f1B
- 2.Rd4#
- 2.Qd6#
- 2.Qd4#
- 1...Qh4
- 2.Qd6#
- 2.Qc4#
- 2.Qd4#
- 1...Qg4
- 2.Qd6#
- 2.Qc4#
- 2.Qd4#
- 1...Qg6
- 2.Rd4#
- 2.Qc4#
- 2.Qd4#
- 1...Qg7
- 2.Qd6#
- 2.Qc4#
- 1...Re4
- 2.fxe4#
- 1...Re6
- 2.Rd4#
- 2.Qc4#
- 2.Qd4#
- 1...Sc5
- 2.Sf6#
- 2.Rd4#
- 2.Qc4#
- 2.Qd4#
- 1...Se5
- 2.Sf6#
- 2.Rd4#
- 2.Qa5#
- 2.Qd4#
- 2.Qb5#
- 1...Sf6
- 2.Sxf6#
- 2.Rd4#
- 2.Qa5#
- 2.Qc4#
- 2.Qd4#
- 2.Qb5#
- 1...Sb8
- 2.Sf6#
- 2.Rd4#
- 2.Qa5#
- 2.Qc4#
- 2.Qd4#
- 2.Qb5#
- 1...Sf8
- 2.Sf6#
- 2.Rd4#
- 2.Qa5#
- 2.Qc4#
- 2.Qd4#
- 2.Qb5#
- 1...Qxf4!
- threat
- 1.Rd6+?
- 1...Ke5
- 2.Qe4#
- 1...Bxd6!
- 1...Ke5
- 1.Bxd7?
- Keys
- 1.Be5!
- threat
- 2.Qd4#
- 1...Kxe5
- 2.Qe4#
- 1...Rxe5
- 2.Rd6#
- 1...Bxe5
- 2.Qc4#
- 1...Sxe5
- 2.Sf6#
- 1...Sxb6
- 2.Qb5#
- 1...Be3
- 2.Qd6#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(g);OGATE::P(A),XR(g)
- R(g);SBLOCK,S_CUTB(c)::R1(D)
- B(c);P_PINR(D)::QAB1(B)
- B(c);::QAB1(B)
- B(c);XB(G)::QAR1(B)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- Tries
- Try
- B(I);XS(e)
- Threat
- DUALS(2)
- Vars
- Q(b);XR(C)::R(D)
- R(f);XB(I)::S(H)
- B(c);::QAR1(B)
- P(a);::S(H)
- Q(b);::R(D)
- Refutation
- R(f);CHECK
- Try
- R(C);XB(c)
- Threat
- DUALS(4)
- Vars
- S(e);N_GUARD,XR(D)::QAR2(B)
- R(g);OGATE::P(A),XR(g)
- Refutation
- Q(b);XR(C)
- Try
- R(D);CHECK
- Vars
- K(d);P-FLIGHT::QAR1(B)
- Refutation
- B(c);XR(D)
- Try
- Actual
- B(G);
- Threat
- QAR1(B)
- Vars
- K(d);P-FLIGHT,XB(G)::QAR1(B)
- R(g);SBLOCK,XB(G)::R1(D)
- B(c);SBLOCK,XB(G)::QAB1(B)
- S(e);N_GUARD,SBLOCK,XB(G)::S(H)
- S(e);N_GUARD,XR(D)::QAR2(B)
- B(c);P_PINR(D)::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).