MESON Chess Problem Database
Problem Display
PID: 239536 (1K5Q/6R1/5R2/3P4/2N1P3/P1kP3n/Pn4pr/rB4B1 w - - 0 1)
Maleika, Gerhard
Pat a Mat, 1991
#2
12 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Rf3?
- threat
- 2.Rxg2#
- 2.Rgg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rgf7#
- 2.Rh7#
- 2.Rg8#
- 1...Rxb1
- 2.Rxg2#
- 1...Rxa2
- 2.Rb7#
- 1...Sxd3
- 2.Rc7#
- 1...Sxg1
- 2.Rh7#
- 1...Sf2
- 2.Rh7#
- 1...Sf4
- 2.Rh7#
- 1...Sg5
- 2.Rh7#
- 1...Sxc4!
- threat
- 1.Rc6?
- threat
- 2.Rxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rgg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rgc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Rxa2
- 2.Rb7#
- 1...Sxd3
- 2.Rg3#
- 1...Sxc4
- 2.Rxg2#
- 1...Sxg1
- 2.Rh7#
- 1...Sf2
- 2.Rh7#
- 1...Sf4
- 2.Rh7#
- 1...Sg5
- 2.Rh7#
- 1...Rxb1!
- threat
- 1.Rxg2?
- threat
- 2.Rf1#
- 2.Rff2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rfg6#
- 2.Rh6#
- 2.Rf7#
- 2.Rf8#
- 1...Rxb1
- 2.Rf3#
- 1...Rxa2
- 2.Rb6#
- 1...Rxg2
- 2.Rg6#
- 1...Sxc4
- 2.Rc6#
- 1...Sxg1
- 2.Rh6#
- 1...Sf2
- 2.Rh6#
- 1...Sf4
- 2.Rh6#
- 1...Sg5
- 2.Rh6#
- 1...Sxd3!
- threat
- 1.Rg3?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rff3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rfg6#
- 2.Rh6#
- 2.Rf7#
- 2.Rf8#
- 1...Rxb1
- 2.Rf2#
- 1...Rxa2
- 2.Rb6#
- 1...Sxd3
- 2.Rc6#
- 1...Sxg1
- 2.Rh6#
- 1...Sf2
- 2.Rh6#
- 1...Sf4
- 2.Rh6#
- 1...Sg5
- 2.Rh6#
- 1...Sxc4!
- threat
- 1.Rc7?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rfc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rh6#
- 2.Rff7#
- 2.Rf8#
- 1...Rxa2
- 2.Rb6#
- 1...Sxd3
- 2.Rf3#
- 1...Sxc4
- 2.Rf2#
- 1...Sxg1
- 2.Rh6#
- 1...Sf2
- 2.Rh6#
- 1...Sf4
- 2.Rh6#
- 1...Sg5
- 2.Rh6#
- 1...Rxb1!
- threat
- 1.Rf3?
- Keys
- 1.Rf2!
- threat
- 2.Rgxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rgf7#
- 2.Rh7#
- 2.Rg8#
- 1...Kd4
- 2.Rc7#
- 1...Rxb1
- 2.Rg3#
- 1...Rxa2
- 2.Rb7#
- 1...Sxd3
- 2.Rc2#
- 1...Sxc4
- 2.Rc7#
- 1...Sxg1
- 2.Rh7#
- 1...Sxf2
- 2.Rh7#
- 1...Sf4
- 2.Rh7#
- 1...Sg5
- 2.Rh7#
- threat
- 1.Rf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(I);
- Threat
- DUALS(13)
- Vars
- R(a);XB(A)::QAB(L)+R(J),XP(c)
- R(a);XP(C)::QAB(L)+R(J)
- S(b);P_SPINS(b),XP(E)::QAB(L)+R(J)
- S(f);XB(B)::QAB(L)+R(J)
- S(f);::QAB(L)+R(J)
- Refutation
- S(b);XS(F)
- Try
- R(I);
- Threat
- DUALS(13)
- Vars
- R(a);XP(C)::QAB(L)+R(J)
- S(b);XP(E)::QAB(L)+R(J)
- S(b);P_SPINS(b),XS(F)::QAB(L)+R(J),XP(c)
- S(f);XB(B)::QAB(L)+R(J)
- S(f);::QAB(L)+R(J)
- Refutation
- R(a);XB(A)
- Try
- R(J);XP(c)
- Threat
- DUALS(14)
- Vars
- R(a);XB(A)::QAB(L)+R(I)
- R(a);XP(C)::QAB(L)+R(I)
- R(d);XR(J)::QAB(L)+R(I)
- S(b);XS(F)::QAB(L)+R(I)
- S(f);XB(B)::QAB(L)+R(I)
- S(f);::QAB(L)+R(I)
- Refutation
- S(b);XP(E)
- Try
- R(J);
- Threat
- DUALS(14)
- Vars
- R(a);XB(A)::QAB(L)+R(I)
- R(a);XP(C)::QAB(L)+R(I)
- S(b);P_SPINS(b),XP(E)::QAB(L)+R(I)
- S(f);XB(B)::QAB(L)+R(I)
- S(f);::QAB(L)+R(I)
- Refutation
- S(b);XS(F)
- Try
- R(J);
- Threat
- DUALS(14)
- Vars
- R(a);XP(C)::QAB(L)+R(I)
- S(b);XP(E)::QAB(L)+R(I)
- S(b);P_SPINS(b),XS(F)::QAB(L)+R(I)
- S(f);XB(B)::QAB(L)+R(I)
- S(f);::QAB(L)+R(I)
- Refutation
- R(a);XB(A)
- Try
- Actual
- R(I);
- Threat
- DUALS(13)
- Vars
- K(e);S_FLIGHT::QAB(L)+R(J)
- R(a);XB(A)::QAB(L)+R(J)
- R(a);XP(C)::QAB(L)+R(J)
- S(b);SBLOCK,XP(E)::R1(I)
- S(b);XS(F)::QAB(L)+R(J)
- S(f);XB(B)::QAB(L)+R(J)
- S(f);XR(I)::QAB(L)+R(J)
- S(f);::QAB(L)+R(J)
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).