MESON Chess Problem Database
Problem Display
PID: 95244 (3r4/pBP2n2/Q2Ppp2/4kp2/7R/1N4Pn/8/4K3 w - - 0 1)
Leopold, Dr Rudolf L
Deutsches Wochenschach, 1916
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Qe2#
- 1...Sf4
- 2.gxf4#
- 1...Sxd6
- 2.Qa1#
- 1...Rxd6
- Tries
- 1.Sd2?
- threat
- 2.Sf3#
- 2.Sc4#
- 1...Sxd6
- 2.Sf3#
- 2.Qa1#
- 1...Sf4
- 2.Sf3#
- 1...Sg1
- 2.Sc4#
- 1...Shg5
- 2.Sc4#
- 1...Sfg5
- 2.Sc4#
- 1...f4!
- threat
- 1.Ra4?
- threat
- 2.Ra5#
- 1...Rxd6
- 2.Qe2#
- 1...Sf4
- 2.gxf4#
- 1...Sxd6!
- threat
- 1.Rc4?
- threat
- 2.Rc5#
- 1...Sf4
- 2.gxf4#
- 1...Rxd6!
- threat
- 1.Rd4?
- threat
- 2.Qe2#
- 2.Qb5#
- 2.Qa5#
- 1...Rxd6
- 2.Qe2#
- 1...f4
- 2.Qb5#
- 2.Qa5#
- 1...Sg1
- 2.Qb5#
- 2.Qa5#
- 1...Sf2
- 2.Qb5#
- 2.Qa5#
- 1...Sf4
- 2.gxf4#
- 1...Shg5
- 2.Qb5#
- 2.Qa5#
- 1...Sfg5
- 2.Qb5#
- 2.Qa5#
- 1...Sxd6!
- threat
- 1.Qd3?
- threat
- 2.Qd4#
- 1...Rxd6
- 2.Qe2#
- 2.Qe3#
- 1...f4!
- threat
- 1.Qc4?
- threat
- 2.Qd4#
- 2.Qc5#
- 1...Rxd6
- 2.Qe2#
- 1...f4
- 2.Qc5#
- 1...Sf4
- 2.Qd4#
- 2.Qxf4#
- 1...Kxd6!
- threat
- 1.Qa3?
- threat
- 2.Qc5#
- 1...Sf4
- 2.gxf4#
- 1...Rxd6!
- threat
- 1.Qb6?
- threat
- 2.Qd4#
- 2.Qc5#
- 1...Rxd6
- 2.Qe3#
- 1...f4
- 2.Qc5#
- 1...Sf4
- 2.Qd4#
- 2.gxf4#
- 1...axb6!
- threat
- 1.Qc6?
- threat
- 2.Qc5#
- 1...Sf4
- 2.gxf4#
- 1...Rxd6!
- threat
- 1.Qxa7?
- threat
- 2.Qd4#
- 2.Qc5#
- 1...Rxd6
- 2.Qe3#
- 1...f4
- 2.Qc5#
- 1...Sf4
- 2.Qd4#
- 1...Kxd6!
- threat
- 1.cxd8Q?
- threat
- 2.Qe2#
- 2.Qb5#
- 2.Qda5#
- 2.Qa1#
- 2.Qaa5#
- 1...Sxd6
- 2.Qa1#
- 2.Qaxd6#
- 2.Qdxd6#
- 1...f4
- 2.Qb5#
- 2.Qda5#
- 2.Qaa5#
- 1...Sg1
- 2.Qb5#
- 2.Qda5#
- 2.Qa1#
- 2.Qaa5#
- 1...Sf2
- 2.Qb5#
- 2.Qda5#
- 2.Qa1#
- 2.Qaa5#
- 1...Sf4
- 2.Qa1#
- 2.gxf4#
- 1...Shg5
- 2.Qb5#
- 2.Qda5#
- 2.Qa1#
- 2.Qaa5#
- 1...Sfg5
- 2.Qb5#
- 2.Qda5#
- 2.Qa1#
- 2.Qaa5#
- 1...Sxd8!
- threat
- 1.cxd8R?
- threat
- 2.Qe2#
- 2.Qb5#
- 2.Qa1#
- 2.Qa5#
- 1...Sxd6
- 2.Qa1#
- 2.Qxd6#
- 1...f4
- 2.Qb5#
- 2.Qa5#
- 1...Sg1
- 2.Qb5#
- 2.Qa1#
- 2.Qa5#
- 1...Sf2
- 2.Qb5#
- 2.Qa1#
- 2.Qa5#
- 1...Sf4
- 2.Qa1#
- 2.gxf4#
- 1...Shg5
- 2.Qb5#
- 2.Qa1#
- 2.Qa5#
- 1...Sfg5
- 2.Qb5#
- 2.Qa1#
- 2.Qa5#
- 1...Sxd8!
- threat
- 1.c8Q?
- threat
- 2.Qc3#
- 2.Qc5#
- 1...Rxd6
- 2.Qe2#
- 1...f4
- 2.Qc5#
- 1...Sf4
- 2.Qc3#
- 2.gxf4#
- 1...Rxc8!
- threat
- 1.c8S?
- threat
- 2.Qe2#
- 2.Qb5#
- 2.Qa1#
- 2.Qa5#
- 1...Rxd6
- 2.Qe2#
- 1...Sxd6
- 2.Qa1#
- 1...f4
- 2.Qb5#
- 2.Qa5#
- 1...Sg1
- 2.Qb5#
- 2.Qa1#
- 2.Qa5#
- 1...Sf2
- 2.Qb5#
- 2.Qa1#
- 2.Qa5#
- 1...Sf4
- 2.Qa1#
- 2.gxf4#
- 1...Shg5
- 2.Qb5#
- 2.Qa1#
- 2.Qa5#
- 1...Sfg5
- 2.Qb5#
- 2.Qa1#
- 2.Qa5#
- 1...Rxc8!
- threat
- 1.c8R?
- threat
- 2.Rc5#
- 1...Rxd6
- 2.Qe2#
- 1...Sf4
- 2.gxf4#
- 1...Rxc8!
- threat
- 1.Sd2?
- Keys
- 1.Rb4!
- threat
- 2.Rb5#
- 1...Rxd6
- 2.Qe2#
- 1...Sxd6
- 2.Qa1#
- 1...Sf4
- 2.gxf4#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(h);SBLOCK,XP(F)::QAR(E)
- S(a);OGATE::P(C),XS(a)
- S(g);SBLOCK,XP(F)::QAB(E)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(a);::S(B)
- S(g);::S(B)
- Refutation
- P(c);
- Try
- R(D);
- Threat
- R(D)
- Vars
- R(h);SBLOCK,XP(F)::QAR(E)
- S(a);OGATE::P(C),XS(a)
- Refutation
- S(g);XP(F)
- Try
- R(D);
- Threat
- R(D)
- Vars
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(h);XP(F)
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(h);XP(F)::QAR(E)
- S(a);OGATE::P(C),XS(a)
- Refutation
- S(g);XP(F)
- Try
- Q(E);
- Threat
- QAB1(E)
- Refutation
- P(c);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(h);SBLOCK,XP(F)::QAR(E)
- P(c);::QAR2(E)
- Refutation
- K(b);S_FLIGHT,XP(F)
- Try
- Q(E);
- Threat
- QAR2(E)
- Vars
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(h);XP(F)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(h);SBLOCK,XP(F)::QAR2(E)
- P(c);::QAR2(E)
- Refutation
- P(f);XQ(E)
- Try
- Q(E);
- Threat
- QAR2(E)
- Vars
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(h);XP(F)
- Try
- Q(E);XP(f)
- Threat
- DUALS(2)
- Vars
- R(h);SBLOCK,XP(F)::QAR2(E)
- P(c);::QAR2(E)
- S(a);::QAB1(E)
- Refutation
- K(b);S_FLIGHT,XP(F)
- Try
- P(H);XR(h)
- Threat
- DUALS(5)
- Refutation
- S(g);XQ(H)
- Try
- P(H);XR(h)
- Threat
- DUALS(4)
- Refutation
- S(g);XR(H)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- R(h);SBLOCK,XP(F)::QAR(E)
- P(c);::QAR2(H)
- Refutation
- R(h);XQ(H)
- Try
- P(H);
- Threat
- DUALS(4)
- Vars
- R(h);XP(F)::QAR(E)
- S(g);XP(F)::QAB(E)
- Refutation
- R(h);XS(H)
- Try
- P(H);
- Threat
- R(H)
- Vars
- R(h);SBLOCK,XP(F)::QAR(E)
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(h);XR(H)
- Try
- Actual
- R(D);
- Threat
- R(D)
- Vars
- R(h);SBLOCK,XP(F)::QAR(E)
- S(g);SBLOCK,XP(F)::QAB(E)
- S(a);OGATE::P(C),XS(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).