MESON Chess Problem Database
Problem Display
PID: 260913 (b1B5/p7/1Qp1rppn/2R5/4kN2/3p4/n3NPK1/B7 w - - 0 1)
Svitek, Miroslav
Neue Zurcher Zeitung, 2011
#2
8 + 10
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Rc4#
- 1...Re7
- 2.Rc4#
- 1...Re8
- 2.Rc4#
- 1...Sc1
- 2.Qb4#
- 1...Sc3
- 2.Qb4#
- 1...Sb4
- 2.Qxb4#
- 1...d2
- 2.Qb1#
- 1...f5
- 2.Rc4#
- 1...Re5
- Tries
- 1.Sc3+?
- 1...Kd4
- 2.Sxe6#
- 1...Sxc3
- 2.Qb4#
- 1...Kxf4!
- 1...Kd4
- 1.Sh3?
- threat
- 2.Sg3#
- 1...dxe2
- 2.Qb1#
- 1...d2
- 2.Qb1#
- 1...Sc3
- 2.Qb4#
- 1...Sf5!
- threat
- 1.Sxe6?
- threat
- 2.Sg3#
- 1...dxe2
- 2.Qb1#
- 1...d2
- 2.Qb1#
- 1...Sf5!
- threat
- 1.Sxg6?
- threat
- 2.Sg3#
- 1...dxe2
- 2.Qb1#
- 1...d2
- 2.Qb1#
- 1...Sc3
- 2.Qb4#
- 1...Sf5!
- threat
- 1.Bxe6?
- threat
- 2.Rc4#
- 1...Sc3
- 2.Qb4#
- 1...Sf5!
- threat
- 1.Ra5?
- threat
- 2.Qe3#
- 2.Qd4#
- 2.f3#
- 1...dxe2
- 2.Qe3#
- 2.Qd4#
- 1...c5
- 2.Qxe6#
- 1...Sf5
- 2.f3#
- 1...Rd6
- 2.Qe3#
- 2.f3#
- 1...Sg4
- 2.Qd4#
- 2.f3#
- 1...axb6!
- threat
- 1.Rb5?
- threat
- 2.Qe3#
- 2.Qd4#
- 2.f3#
- 1...dxe2
- 2.Qe3#
- 2.Qd4#
- 1...cxb5
- 2.Qxe6#
- 1...c5
- 2.Qxe6#
- 1...Sf5
- 2.f3#
- 1...Rd6
- 2.Qe3#
- 2.f3#
- 1...Sg4
- 2.Qd4#
- 2.f3#
- 1...axb6!
- threat
- 1.Rd5?
- threat
- 2.Qe3#
- 2.Qd4#
- 2.f3#
- 1...dxe2
- 2.Qe3#
- 2.Qd4#
- 1...cxd5
- 2.Qxe6#
- 1...Sf5
- 2.f3#
- 1...Sg4
- 2.Qd4#
- 2.f3#
- 1...c5
- 2.Qxe6#
- 1...axb6!
- threat
- 1.Re5+?
- 1...Rxe5
- 2.Qe3#
- 2.Qd4#
- 2.f3#
- 1...fxe5!
- 1...Rxe5
- 1.Rf5?
- threat
- 2.Sg3#
- 1...Sxf5
- 2.f3#
- 1...dxe2
- 2.Qb1#
- 1...gxf5
- 2.Qe3#
- 2.Qd4#
- 2.f3#
- 1...Kxf5!
- threat
- 1.Qd8?
- threat
- 2.Qxd3#
- 2.Qd4#
- 1...dxe2
- 2.Qd4#
- 1...Sf5
- 2.Qxd3#
- 1...Sc1
- 2.Qd4#
- 1...Sb4
- 2.Qd4#
- 1...d2
- 2.Qd3#
- 2.Qd4#
- 1...Rd6!
- threat
- 1.Qb1?
- threat
- 2.Qxd3#
- 1...Sc1
- 2.Qb4#
- 1...Sb4
- 2.Qxb4#
- 1...Rd6!
- threat
- 1.Qb3?
- threat
- 2.Qc4#
- 2.Qxe6#
- 2.Qxd3#
- 1...dxe2
- 2.Qc4#
- 2.Qe3#
- 2.Qf3#
- 1...Sf5
- 2.Qxe6#
- 2.Qxd3#
- 1...Re5
- 2.Rc4#
- 2.Qc4#
- 2.Qxd3#
- 1...Re7
- 2.Rc4#
- 2.Qc4#
- 2.Qxd3#
- 1...Re8
- 2.Rc4#
- 2.Qc4#
- 2.Qxd3#
- 1...Sc1
- 2.Qa4#
- 2.Qc4#
- 2.Qxe6#
- 2.Qb4#
- 1...Sc3
- 2.Qc4#
- 2.Qxe6#
- 2.Qb4#
- 1...Sb4
- 2.Qc4#
- 2.Qxe6#
- 2.Qxb4#
- 1...Sg4
- 2.Qc4#
- 2.Qxd3#
- 1...Sf7
- 2.Qc4#
- 2.Qxd3#
- 1...d2
- 2.Qc2#
- 2.Qc4#
- 2.Qxe6#
- 2.Qb1#
- 2.Qd3#
- 2.Qe3#
- 2.Qf3#
- 2.f3#
- 1...Rd6!
- threat
- 1.Qa6?
- threat
- 2.Qxd3#
- 2.Qc4#
- 1...dxe2
- 2.Qc4#
- 1...Sf5
- 2.Qxd3#
- 1...Sc1
- 2.Qc4#
- 2.Qa4#
- 1...Sb4
- 2.Qc4#
- 1...d2
- 2.Qd3#
- 2.Qc4#
- 1...Rd6!
- threat
- 1.Sc3+?
- Keys
- 1.Sd5!
- threat
- 2.Sg3#
- 1...Kf5
- 2.Sxf6#
- 1...dxe2
- 2.Qb1#
- 1...cxd5
- 2.Qxe6#
- 1...Sc3
- 2.Sdxc3#
- 1...d2
- 2.Qb1#
- 1...Sf5
- 2.f3#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- R(e);::R(F)
- S(a);N_GUARD::QAR(G)
- S(a);N_GUARD::QAR(G),XS(a)
- P(b);OGATEB::QAB(G)
- P(f);SBLOCK::R(F)
- Tries
- Try
- S(B);CHECK
- Vars
- K(c);P-FLIGHT,S_CUTS(a)::S(E),XR(e)
- S(a);XS(B)::QAR(G)
- Refutation
- K(c);P-FLIGHT,XS(E)
- Try
- S(E);
- Threat
- S(B)
- Vars
- P(b);OGATEB,XS(B)::QAB(G)
- P(b);OGATEB::QAB(G)
- S(a);N_GUARD::QAR(G)
- Refutation
- S(h);
- Try
- S(E);XR(e)
- Threat
- S(B)
- Vars
- P(b);OGATEB,XS(B)::QAB(G)
- P(b);OGATEB::QAB(G)
- Refutation
- S(h);
- Try
- S(E);XP(g)
- Threat
- S(B)
- Vars
- P(b);OGATEB,XS(B)::QAB(G)
- P(b);OGATEB::QAB(G)
- S(a);N_GUARD::QAR(G)
- Refutation
- S(h);
- Try
- B(H);XR(e)
- Threat
- R(F)
- Vars
- S(a);N_GUARD::QAR(G)
- Refutation
- S(h);
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- P(d);OGATE::QAR2(G),XR(e)
- S(h);::P(C)
- Refutation
- P(i);XQ(G)
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- P(d);OGATE,XR(F)::QAR2(G),XR(e)
- P(d);OGATE::QAR2(G),XR(e)
- S(h);::P(C)
- Refutation
- P(i);XQ(G)
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- P(d);OGATE,XR(F)::QAR2(G),XR(e)
- S(h);::P(C)
- P(d);OGATE::QAR2(G),XR(e)
- Refutation
- P(i);XQ(G)
- Try
- R(F);CHECK
- Refutation
- P(f);XR(F)
- Try
- R(F);
- Threat
- S(B)
- Vars
- S(h);SBLOCK,XR(F)::P(C)
- P(b);OGATEB,XS(B)::QAB(G)
- Refutation
- K(c);P_SPINR(e),S_FLIGHT,XR(F)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- P(b);XS(B)::QAR1(G)
- S(h);::QAB1(G),XP(b)
- S(a);::QAR1(G)
- Refutation
- R(e);
- Try
- Q(G);P_PINP(b)
- Threat
- QAB1(G),XP(b)
- Vars
- S(a);N_GUARD::QAR(G)
- S(a);N_GUARD::QAR(G),XS(a)
- Refutation
- R(e);
- Try
- Q(G);
- Threat
- DUALS(3)
- Refutation
- R(e);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- P(b);XS(B)::QAR2(G)
- S(h);::QAB1(G),XP(b)
- S(a);::QAR2(G)
- Refutation
- R(e);
- Try
- Actual
- S(E);
- Threat
- S(B)
- Vars
- K(c);P_SPINR(e),S_FLIGHT::R(F)+S(E),XP(f)
- P(b);OGATEB,XS(B)::QAB(G)
- P(d);OGATE,XS(E)::QAR2(G),XR(e)
- S(a);N_GUARD::S(E),XS(a)
- P(b);OGATEB::QAB(G)
- S(h);SBLOCK::P(C)
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).