MESON Chess Problem Database
Problem Display
PID: 261458 (4R3/1P1pp1r1/B2p4/1r4R1/4kNQ1/6pN/3P1PP1/B3nKn1 w - - 0 1)
Styger, Christian
Neue Zurcher Zeitung, 2004
#2
12 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Qf5#
- 1...Rb2
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Rb3
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Qf5#
- 1...Rb4
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Qf5#
- 1...Ra5
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Rc5
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Rd5
- 2.Se2#
- 2.Sd3#
- 2.Sxd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Rf5
- 2.Qxf5#
- 1...Rb6
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Qf5#
- 1...Rxb7
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Qf5#
- 1...Sc2
- 2.d3#
- 1...Sxg2
- 2.d3#
- 1...Sef3
- 2.d3#
- 1...Se2
- 2.Qxe2#
- 1...gxf2
- 2.Sxf2#
- 1...d5
- 2.Re5#
- 2.Qf5#
- 1...e5
- 2.Qf5#
- 1...Rb1
- Tries
- 1.Kxe1?
- threat
- 2.d3#
- 1...Sf3+
- 2.Qxf3#
- 2.gxf3#
- 1...gxf2+
- 2.Sxf2#
- 1...Rb2
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Rb3
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Qf5#
- 1...Rd5
- 2.Se2#
- 2.Sd3#
- 2.Sxd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Rb1+!
- threat
- 1.Bxb5?
- threat
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Qf5#
- 1...Rxg5
- 2.Sxg5#
- 1...Sxg2
- 2.Sxg2#
- 2.Bd3#
- 2.d3#
- 1...Sxh3
- 2.Sxh3#
- 2.Qf5#
- 1...Rg6
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sxg6#
- 2.Qf5#
- 1...Sd3
- 2.Sxd3#
- 2.Bxd3#
- 2.Qf5#
- 1...Se2
- 2.Sxe2#
- 2.Qxe2#
- 2.Qf5#
- 1...d5
- 2.Se2#
- 2.Sd3#
- 2.Sxd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Re5#
- 2.Qf5#
- 1...e5
- 2.Qf5#
- 1...e6
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 2.Qf5#
- 1...Rf7!
- threat
- 1.Rxb5?
- threat
- 2.Rb4#
- 2.Qf5#
- 1...Rxg4
- 2.Rxe7#
- 1...Sxg2
- 2.Rb4#
- 2.d3#
- 1...Rg5
- 2.Sxg5#
- 2.Rb4#
- 1...Rf7
- 2.Sg5#
- 2.Rb4#
- 1...Sc2
- 2.Qf5#
- 2.d3#
- 1...Sd3
- 2.Qf5#
- 1...Sef3
- 2.Qf5#
- 2.d3#
- 1...Se2
- 2.Qxe2#
- 2.Qf5#
- 1...Sgf3
- 2.Qf5#
- 1...e5
- 2.Rb4#
- 1...d5!
- threat
- 1.Rxe7+?
- 1...Re5
- 2.Qf5#
- 1...Rxe7!
- 1...Re5
- 1.Rc8?
- threat
- 2.Rc4#
- 1...Rb4
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Qf5#
- 1...Rc5
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Rd5
- 2.Se2#
- 2.Sd3#
- 2.Sxd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Sc2
- 2.d3#
- 1...Sef3
- 2.d3#
- 1...Se2
- 2.Qxe2#
- 1...d5
- 2.Re5#
- 2.Qf5#
- 1...Sgf3!
- threat
- 1.Qf3+?
- 1...Sexf3
- 2.d3#
- 1...Sgxf3!
- 1...Sexf3
- 1.Qe6+?
- 1...Re5
- 2.Qc4#
- 1...dxe6!
- 1...Re5
- 1.fxg3?
- threat
- 2.Sf2#
- 1...Sxh3
- 2.Qe2#
- 1...Rb2
- 2.Se2#
- 2.Sd3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Sd3!
- threat
- 1.Kxe1?
- Keys
- 1.Rd5!
- threat
- 2.Qf5#
- 1...Rxd5
- 2.Sg6#
- 1...Rxg4
- 2.Rxe7#
- 1...Sxg2
- 2.d3#
- 1...Rg5
- 2.Sxg5#
- 1...Rf7
- 2.Sg5#
- 1...e5
- 2.Rd4#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- R(e);N_GUARD::QAB1(H),XR(e)
- S(a);N_GUARD::P(C)
- S(a);N_GUARD,XP(E)::P(C)
- S(b);N_GUARD::QAR2(H),XS(b)
- P(c);XP(D)::S(F),XP(c)
- P(h);S_CUTR(e)::QAB1(H)
- Tries
- Try
- K(B);P-FLIGHT,XS(a)
- Threat
- P(C)
- Vars
- P(c);CHECK,XP(D)::S(F),XP(c)
- Refutation
- R(e);CHECK
- Try
- B(J);XR(e)
- Threat
- DUALS(7)
- Vars
- R(i);XR(I)::S(F),XR(i)
- P(h);::QAB1(H)
- Refutation
- R(i);
- Try
- R(I);XR(e)
- Threat
- DUALS(2)
- Vars
- R(i);N_GUARD,XQ(H)::R(L),XP(h)
- S(a);::QAB1(H)
- S(b);::QAB1(H)
- P(h);::R(I)
- Refutation
- P(f);
- Try
- R(L);CHECK,XP(h)
- Vars
- R(e);P_SPINR(e)::QAB1(H)
- Refutation
- R(i);XR(L)
- Try
- R(L);N_PINP(h)
- Threat
- R(L)
- Vars
- S(a);N_GUARD::P(C)
- S(b);N_GUARD::QAR2(H),XS(b)
- Refutation
- S(b);
- Try
- Q(H);CHECK
- Vars
- S(a);XQ(H)::P(C)
- Refutation
- S(b);XQ(H)
- Try
- Q(H);CHECK,N_PINP(h)
- Vars
- R(e);P_SPINR(e)::QAR2(H)
- Refutation
- P(g);XQ(H)
- Try
- P(D);XP(c)
- Threat
- S(F)
- Vars
- S(b);N_GUARD,XS(F)::QAR2(H)
- Refutation
- S(a);
- Try
- Actual
- R(I);
- Threat
- QAB1(H)
- Vars
- R(e);SBLOCK,XR(I)::QAR(H)+S(G)
- R(i);N_GUARD,XQ(H)::R(L),XP(h)
- S(a);N_GUARD,XP(E)::P(C)
- R(i);N_GUARD::S(F),XR(i)
- R(i);N_GUARD::S(F)
- P(h);::R1(I)
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).