MESON Chess Problem Database
Problem Display
PID: 73991 (2b5/4r1q1/1Q1R3p/r3k3/2P1p2N/2P5/p2Pn3/K4R2 w - - 0 1)
Schreck, Manfred
Rhein-Neckar-Zeitung, 1993
#2
8 + 9
| 6113 | Problemschach-Jahrbuch (1993) | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Qf8
- 2.Sg6#
- 1...Qh8
- 2.Sg6#
- 1...Qg6
- 2.Sxg6#
- 1...Ra3
- 2.Rd5#
- 2.Qc5#
- 1...Ra4
- 2.Rd5#
- 2.Qc5#
- 1...Rc5
- 2.Qxc5#
- 1...Rd5
- 2.Rxd5#
- 1...Ra6
- 2.Rd5#
- 2.Qc5#
- 1...Raa7
- 2.Rd5#
- 2.Qc5#
- 1...Ra8
- 2.Rd5#
- 2.Qc5#
- 1...Re6
- 2.Rf5#
- 1...Rd7
- 2.Rf5#
- 2.Re6#
- 1...Bf5
- 2.Rxf5#
- 1...Ba6
- 2.Rf5#
- 1...Bb7
- 2.Rf5#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sxc3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 2.cxd4#
- 1...Sf4
- 2.Qd4#
- 1...Qf8
- Tries
- 1.Rd3?
- threat
- 2.Qd6#
- 1...e3
- 2.Rxe3#
- 2.Qxe3#
- 1...Qf6
- 2.Qxf6#
- 1...Qg6
- 2.Sxg6#
- 1...Rd5
- 2.Rxd5#
- 1...Ra6
- 2.Rd5#
- 1...Re6
- 2.Rf5#
- 2.Qxa5#
- 1...Rd7
- 2.Rf5#
- 1...Sd4
- 2.cxd4#
- 1...exd3!
- threat
- 1.Re6+?
- 1...Rxe6
- 2.Rf5#
- 1...Bxe6!
- 1...Rxe6
- 1.Rd7?
- threat
- 2.Rf5#
- 2.Qd6#
- 1...Rxd7
- 2.Rf5#
- 1...e3
- 2.Qxe3#
- 1...Rd5
- 2.Rf5#
- 2.Rxd5#
- 1...Qf6
- 2.Qxf6#
- 1...Qf8
- 2.Sg6#
- 2.Qd6#
- 1...Qg1
- 2.Qd6#
- 2.Qf6#
- 1...Qg4
- 2.Qd6#
- 2.Qf6#
- 1...Qg5
- 2.Qd6#
- 1...Qg6
- 2.Sxg6#
- 1...Qf7
- 2.Qd6#
- 1...Qh7
- 2.Qd6#
- 2.Qf6#
- 1...Ra6
- 2.Rf5#
- 2.Rd5#
- 1...Re6
- 2.Rf5#
- 2.Qxa5#
- 1...Rf7
- 2.Qd6#
- 1...Sg3
- 2.Qd6#
- 1...Sd4
- 2.Qd6#
- 2.cxd4#
- 1...Sf4
- 2.Qd6#
- 1...Bxd7!
- threat
- 1.Rd8?
- threat
- 2.Qd6#
- 1...e3
- 2.Qxe3#
- 1...Rd5
- 2.Rxd5#
- 1...Qf6
- 2.Qxf6#
- 1...Qg6
- 2.Sxg6#
- 1...Ra6
- 2.Rd5#
- 1...Re6
- 2.Rf5#
- 2.Qxa5#
- 1...Rd7
- 2.Rf5#
- 1...Bd7!
- threat
- 1.d4+?
- 1...Sxd4
- 2.Qxd4#
- 2.cxd4#
- 1...exd4 ep!
- 1...Sxd4
- 1.Rd3?
- Keys
- 1.Rd4!
- threat
- 2.Qd6#
- 1...Sxd4
- 2.cxd4#
- 1...Qf6
- 2.Qxf6#
- 1...Qg6
- 2.Sxg6#
- 1...Rd5
- 2.Rxd5#
- 1...Ra6
- 2.Rd5#
- 1...Re6
- 2.Rf5#
- 2.Qxa5#
- 1...Rd7
- 2.Rf5#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- Q(h);N_GUARD::S(F)
- Q(h);N_GUARD::S(F),XQ(h)
- R(d);N_GUARD::QAR2(G),XR(d)
- R(d);N_GUARD::R1(H),XR(d)
- R(g);S_CUTB(i)::R1(B)
- B(i);N_GUARD::R1(B),XB(i)
- B(i);N_GUARD::R1(B)
- S(b);N_GUARD::QAB1(G)
- S(b);N_GUARD,XP(D)::QAB1(G)
- Tries
- Try
- R(H);
- Threat
- QAB1(G)
- Vars
- Q(h);N_GUARD::QAB1(G),XQ(h)
- Q(h);N_GUARD::S(F),XQ(h)
- R(d);N_GUARD::R1(H),XR(d)
- R(d);N_GUARD::R1(H)
- R(g);S_CUTB(i)::R1(B)
- S(b);OGATE::P(D),XS(b)
- Refutation
- P(c);XR(H)
- Try
- R(H);CHECK
- Vars
- R(g);XR(H)::R1(B)
- Refutation
- B(i);XR(H)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(g);XR(H)::R1(B)
- P(c);OGATEB::QAR2(G),XP(c)
- Q(h);N_GUARD::QAB1(G),XQ(h)
- Q(h);::QAB1(G)
- Q(h);N_GUARD::S(F),XQ(h)
- R(g);::QAB1(G)
- S(b);::QAB1(G)
- Refutation
- B(i);XR(H)
- Try
- R(H);
- Threat
- QAB1(G)
- Vars
- P(c);OGATEB::QAR2(G),XP(c)
- R(d);N_GUARD::R1(H),XR(d)
- Q(h);N_GUARD::QAB1(G),XQ(h)
- Q(h);N_GUARD::S(F),XQ(h)
- R(d);N_GUARD::R1(H)
- R(g);S_CUTB(i)::R1(B)
- Refutation
- B(i);
- Try
- P(C);CHECK
- Refutation
- P(c);EP,XP(C)
- Try
- Actual
- R(H);
- Threat
- QAB1(G)
- Vars
- S(b);OGATE,XR(H)::P(D),XS(b)
- Q(h);N_GUARD::QAB1(G),XQ(h)
- Q(h);N_GUARD::S(F),XQ(h)
- R(d);N_GUARD::R1(H),XR(d)
- R(d);N_GUARD::R1(H)
- R(g);S_CUTB(i)::R1(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).