MESON Chess Problem Database
Problem Display
PID: 92833 (3B2K1/5Q2/p1p4N/1p2pN2/5k2/4R1bp/1pn1P3/qB3rRn w - - 0 1)
Ruszczynski, Piotr
Schach-Echo, 1975
#2
9 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Bg5#
- 2.Rg4#
- 1...Bf2
- 2.Bg5#
- 2.Rg4#
- 1...Bh2
- 2.Bg5#
- 2.Rg4#
- 1...Bh4
- 2.Rg4#
- 1...Se1
- 2.Re4#
- 1...Sa3
- 2.Re4#
- 1...Sb4
- 2.Re4#
- 1...Sd4
- 2.Re4#
- 1...e4
- 2.Qc7#
- 1...Be1
- Tries
- 1.Sg4?
- threat
- 2.Sfh6#
- 1...Kxg4
- 2.Sh6#
- 1...Sxe3
- 2.Sfxe3#
- 1...Bh4
- 2.Sxh4#
- 1...Sd4
- 2.Re4#
- 1...Qa2!
- threat
- 1.Bxc2?
- threat
- 2.Re4#
- 1...e4
- 2.Rxe4#
- 2.Qc7#
- 1...Sf2
- 2.Rf3#
- 1...Qa4!
- threat
- 1.Rgxg3?
- threat
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Se7#
- 2.Sg7#
- 2.Bg5#
- 2.Rg4#
- 1...Sxe3
- 2.Bg5#
- 1...e4
- 2.Bc7#
- 2.Qc7#
- 1...Qa2
- 2.Bg5#
- 2.Rg4#
- 1...Rg1
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Se7#
- 2.Sg7#
- 2.Bg5#
- 1...Rf3
- 2.Bg5#
- 2.Rgxf3#
- 2.Rg4#
- 1...Sf2
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Se7#
- 2.Sg7#
- 2.Bg5#
- 2.Rgf3#
- 1...Sd4
- 2.Sxd4#
- 2.Bg5#
- 2.Re4#
- 2.Rg4#
- 1...Sxg3!
- threat
- 1.Rf3+?
- 1...Ke4
- 2.Bxc2#
- 1...Rxf3!
- 1...Ke4
- 1.Qc4+?
- 1...Sd4
- 2.Re4#
- 1...e4
- 2.Rxe4#
- 2.Qxe4#
- 1...bxc4!
- 1...Sd4
- 1.Qd5?
- threat
- 2.Re4#
- 2.Qe4#
- 2.Qxe5#
- 1...Sxe3
- 2.Qe4#
- 1...Qa2
- 2.Re4#
- 1...Qa4
- 2.Qxe5#
- 1...Sf2
- 2.Rf3#
- 2.Qf3#
- 2.Qxe5#
- 1...e4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qd6#
- 1...cxd5!
- threat
- 1.Qh5?
- threat
- 2.Bg5#
- 2.Qg4#
- 2.Qg5#
- 1...Sxe3
- 2.Bg5#
- 2.Qg5#
- 1...e4
- 2.Bc7#
- 1...Bh4
- 2.Rg4#
- 2.Qg4#
- 2.Qxh4#
- 1...Sf2
- 2.Bg5#
- 2.Qf3#
- 2.Qg5#
- 1...Qa2+!
- threat
- 1.Qg6?
- threat
- 2.Bg5#
- 2.Qg4#
- 2.Qg5#
- 1...Sxe3
- 2.Bg5#
- 2.Qg5#
- 1...e4
- 2.Bc7#
- 2.Qd6#
- 1...Bh4
- 2.Rg4#
- 2.Qg4#
- 1...Sf2
- 2.Bg5#
- 2.Qxg3#
- 2.Qg5#
- 1...Qa2+!
- threat
- 1.Qf6?
- threat
- 2.Qxe5#
- 2.Qg5#
- 1...Sxe3
- 2.Qg5#
- 1...Bh4
- 2.Rg4#
- 2.Qxh4#
- 2.Qxe5#
- 1...e4
- 2.Bc7#
- 2.Qd6#
- 1...Qa2+!
- threat
- 1.Qe7?
- threat
- 2.Qg5#
- 2.Qxe5#
- 1...Sxe3
- 2.Qg5#
- 1...Bh4
- 2.Rg4#
- 2.Qxh4#
- 2.Qxe5#
- 1...e4
- 2.Bc7#
- 2.Rxe4#
- 2.Qd6#
- 2.Qxe4#
- 2.Qc7#
- 1...Qa2+!
- threat
- 1.Qg7?
- threat
- 2.Bg5#
- 2.Qxe5#
- 2.Qg4#
- 2.Qg5#
- 1...Sxe3
- 2.Bg5#
- 2.Qg5#
- 1...Bh4
- 2.Rg4#
- 2.Qxe5#
- 2.Qg4#
- 1...Sf2
- 2.Bg5#
- 2.Qxe5#
- 2.Qxg3#
- 2.Qg5#
- 1...e4
- 2.Bg5#
- 2.Bc7#
- 2.Qc7#
- 1...Qa2+!
- threat
- 1.Sg4?
- Keys
- 1.Rb3!
- threat
- 2.Sxg3#
- 2.Sd6#
- 1...Ke4
- 2.Rb4#
- 1...Be1
- 2.Sg3#
- 2.Sd6#
- 2.Rg4#
- 1...Bf2
- 2.Sg3#
- 2.Sd6#
- 2.Rg4#
- 1...Bh2
- 2.Sg3#
- 2.Sd6#
- 2.Rg4#
- 1...Bh4
- 2.Rg4#
- 1...Se3
- 2.Sxe3#
- 1...Sd4
- 2.Sxd4#
- 1...e4
- 2.Qc7#
- threat
- 1.Rb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(f);OGATE::R1(B)
- S(e);::R1(D)
- P(j);OGATEB::QAB(G)
- Tries
- Try
- S(F);
- Threat
- QAR(G)+S(E)
- Vars
- K(h);P-FLIGHT,P_SPINB(f),XS(F)::S(E)
- S(e);XR(D)::QAR(G)+S(E),XS(e)
- B(f);::QAR(G)+S(E),XB(f)
- S(e);::R1(D)
- Refutation
- Q(a);P_PINQ(G)
- Try
- B(A);XS(e)
- Threat
- R1(D)
- Vars
- S(c);S_CUTR(b)::R1(D)
- Refutation
- Q(a);
- Try
- R(B);XB(f)
- Threat
- DUALS(7)
- Vars
- S(e);XR(D)::B(H)
- Refutation
- S(c);XR(B)
- Try
- R(D);CHECK
- Vars
- K(h);P-FLIGHT,P_SPINS(e)::B(A),XS(e)
- Refutation
- R(b);XR(D)
- Try
- Q(G);CHECK
- Vars
- S(e);P_SPINS(e)::R1(D)
- Refutation
- P(i);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(e);XR(D)::QAR1(G)
- Q(a);P_PINQ(G)::R1(D)
- Q(a);::QAB1(G),XP(j)
- Refutation
- P(l);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- P(j);OGATEB::B(H)
- Refutation
- Q(a);CHECK
- Try
- Q(G);
- Threat
- DUALS(3)
- Refutation
- Q(a);CHECK
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(e);XR(D)::QAB1(G)
- Refutation
- Q(a);CHECK
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(e);XR(D)::QAB1(G)
- Refutation
- Q(a);CHECK
- Try
- Q(G);
- Threat
- DUALS(4)
- Refutation
- Q(a);CHECK
- Try
- Actual
- R(D);
- Threat
- DUALS(2)
- Vars
- K(h);P-FLIGHT,P_SPINS(e)::R(D)
- B(f);OGATE::R1(B)
- S(e);::QAR(G)+S(E),XS(e)
- P(j);OGATEB,SBLOCK::QAB(G)
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).