MESON Chess Problem Database
Problem Display
PID: 67385 (bK4B1/Q4pp1/2p1N3/1R2Bn1q/4k3/3Npr2/n2rP2p/3R4 w - - 0 1)
Papack, Daniel
1st HM., Hoffmann (Fritz)-70 JT, 2005
#2
9 + 12
| 23 | Die Schwalbe | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Qh3
- 2.Sg5#
- 1...Qg5
- 2.Sxg5#
- 1...Qh7
- 2.Sg5#
- 1...Qh8
- 2.Sg5#
- 1...Rxd3
- 2.exd3#
- 1...cxb5
- 2.Qxa8#
- 1...c5
- 2.Qxa8#
- 1...f6
- 2.Sec5#
- 1...Qh3
- Tries
- 1.Ba1?
- threat
- 2.Re5#
- 1...cxb5
- 2.Qxa8#
- 1...c5
- 2.Qxa8#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...f6
- 2.Sec5#
- 1...Rb2!
- threat
- 1.Bb2?
- threat
- 2.Re5#
- 1...cxb5
- 2.Qxa8#
- 1...c5
- 2.Qxa8#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...f6
- 2.Sec5#
- 1...Rxb2!
- threat
- 1.Bg3?
- threat
- 2.Re5#
- 1...Sxg3
- 2.Qd4#
- 1...cxb5
- 2.Qxa8#
- 1...c5
- 2.Qxa8#
- 1...Rb2
- 2.Sdc5#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...f6!
- threat
- 1.Bf4?
- threat
- 2.Re5#
- 1...cxb5
- 2.Qxa8#
- 1...c5
- 2.Qxa8#
- 1...Rb2
- 2.Sdc5#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...f6!
- threat
- 1.Bd6?
- threat
- 2.Re5#
- 1...Sxd6
- 2.Qd4#
- 1...cxb5
- 2.Qxa8#
- 1...c5
- 2.Qxa8#
- 1...Rb2
- 2.Sdc5#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...f6!
- threat
- 1.Bf6?
- threat
- 2.Re5#
- 1...cxb5
- 2.Qxa8#
- 1...c5
- 2.Qxa8#
- 1...Rb2
- 2.Sdc5#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...gxf6!
- threat
- 1.Bc7?
- threat
- 2.Re5#
- 1...cxb5
- 2.Qxa8#
- 1...c5
- 2.Qxa8#
- 1...Rb2
- 2.Sdc5#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...f6!
- threat
- 1.Bxg7?
- threat
- 2.Re5#
- 1...Sxg7
- 2.Qd4#
- 1...cxb5
- 2.Qxa8#
- 1...c5
- 2.Qxa8#
- 1...Rb2
- 2.Sdc5#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...f6!
- threat
- 1.Qxf7?
- threat
- 2.Sec5#
- 1...Qxf7
- 2.Sg5#
- 1...Rxd3
- 2.exd3#
- 1...c5
- 2.Sexc5#
- 1...Rc2!
- threat
- 1.Ba1?
- Keys
- 1.Bc3!
- threat
- 2.Re5#
- 1...cxb5
- 2.Qxa8#
- 1...c5
- 2.Qxa8#
- 1...Rb2
- 2.Sdc5#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...f6
- 2.Sec5#
- threat
- 1.Bc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 5
- Sets
- Q(h);N_GUARD::S(F)
- Q(h);N_GUARD::S(F),XQ(h)
- Q(h);N_GUARD,P_PINB(I)::S(F)
- R(b);OGATE,XS(C)::P(B),XR(b)
- P(i);OGATEB,XR(D)::QAB(G),XB(l)
- P(i);OGATEB::QAB(G),XB(l)
- P(j);::S(F)
- Tries
- Try
- B(E);
- Threat
- R1(D)
- Vars
- P(i);OGATEB,XR(D)::QAB(G),XB(l)
- P(i);OGATEB::QAB(G),XB(l)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- P(j);::S(F)
- Refutation
- R(b);P_PINR(D)
- Try
- B(E);
- Threat
- R1(D)
- Vars
- P(i);OGATEB,XR(D)::QAB(G),XB(l)
- P(i);OGATEB::QAB(G),XB(l)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- P(j);::S(F)
- Refutation
- R(b);P_PINR(D),XB(E)
- Try
- B(E);
- Threat
- R1(D)
- Vars
- S(g);N_GUARD,XB(E)::QAR1(G)
- P(i);OGATEB,XR(D)::QAB(G),XB(l)
- P(i);OGATEB::QAB(G),XB(l)
- R(b);P_PINR(D)::S(C)
- S(g);N_GUARD::QAR1(G),XS(g)
- S(g);N_GUARD::QAR1(G)
- Refutation
- P(j);
- Try
- B(E);
- Threat
- R1(D)
- Vars
- P(i);OGATEB,XR(D)::QAB(G),XB(l)
- P(i);OGATEB::QAB(G),XB(l)
- R(b);P_PINR(D)::S(C)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- Refutation
- P(j);
- Try
- B(E);
- Threat
- R1(D)
- Vars
- S(g);N_GUARD,XB(E)::QAR1(G)
- P(i);OGATEB,XR(D)::QAB(G),XB(l)
- P(i);OGATEB::QAB(G),XB(l)
- R(b);P_PINR(D)::S(C)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- Refutation
- P(j);
- Try
- B(E);
- Threat
- R1(D)
- Vars
- P(i);OGATEB,XR(D)::QAB(G),XB(l)
- P(i);OGATEB::QAB(G),XB(l)
- R(b);P_PINR(D)::S(C)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- Refutation
- P(k);XB(E)
- Try
- B(E);
- Threat
- R1(D)
- Vars
- P(i);OGATEB,XR(D)::QAB(G),XB(l)
- P(i);OGATEB::QAB(G),XB(l)
- R(b);P_PINR(D)::S(C)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- Refutation
- P(j);
- Try
- B(E);XP(k)
- Threat
- R1(D)
- Vars
- S(g);N_GUARD,XB(E)::QAR1(G)
- P(i);OGATEB,XR(D)::QAB(G),XB(l)
- P(i);OGATEB::QAB(G),XB(l)
- R(b);P_PINR(D)::S(C)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- Refutation
- P(j);
- Try
- Q(G);XP(j)
- Threat
- S(F)
- Vars
- Q(h);N_GUARD,XQ(G)::S(F)
- R(b);OGATE,XS(C)::P(B),XR(b)
- P(i);::S(F),XP(i)
- Refutation
- R(b);
- Try
- Actual
- B(E);
- Threat
- R1(D)
- Vars
- P(i);OGATEB,XR(D)::QAB(G),XB(l)
- P(i);OGATEB::QAB(G),XB(l)
- R(b);P_PINR(D)::S(C)
- S(g);N_GUARD::QAR1(G)
- S(g);N_GUARD::QAR1(G),XS(g)
- P(j);::S(F)
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).