MESON Chess Problem Database
Problem Display
PID: 92071 (K1b5/1pQ3p1/3ppr2/2Nk3r/2p3R1/2p5/nb1N4/1B2R3 w - - 0 1)
Wielgos, Oskar
Schach-Echo, 1963
#2
7 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Sxc4?
- threat
- 2.Sb6#
- 2.Rd1#
- 2.Qxd6#
- 1...dxc5
- 2.Se3#
- 2.Sb6#
- 2.Rd1#
- 2.Qd6#
- 1...Rh1
- 2.Sb6#
- 2.Qxd6#
- 1...Rh2
- 2.Sb6#
- 2.Qxd6#
- 1...Rh3
- 2.Sb6#
- 2.Qxd6#
- 1...Rf1
- 2.Sb6#
- 2.Qxd6#
- 1...Rf2
- 2.Sb6#
- 2.Qxd6#
- 1...Rf3
- 2.Sb6#
- 2.Qxd6#
- 1...Bc1
- 2.Sb6#
- 2.Qxd6#
- 1...Sc1
- 2.Sb6#
- 2.Qxd6#
- 1...Sb4
- 2.Sb6#
- 2.Qxd6#
- 1...c2
- 2.Sb6#
- 2.Qxd6#
- 1...e5
- 2.Se3#
- 2.Sb6#
- 2.Rd1#
- 1...b6
- 2.Sxb6#
- 2.Rd1#
- 2.Qxd6#
- 1...Rf4!
- threat
- 1.Scb3?
- threat
- 2.Rd4#
- 2.Qxc4#
- 1...cxd2
- 2.Qxc4#
- 1...cxb3
- 2.Qc4#
- 1...e5
- 2.Qxc4#
- 1...Rh4
- 2.Qxc4#
- 1...c2
- 2.Qxc4#
- 1...b5
- 2.Rd4#
- 1...Rf4!
- threat
- 1.Sa4?
- threat
- 2.Sb6#
- 2.Qxc4#
- 1...e5
- 2.Qxc4#
- 1...b5
- 2.Sb6#
- 1...b6
- 2.Sxb6#
- 2.Qxc4#
- 1...Rf4!
- threat
- 1.Sce4?
- threat
- 2.Qxd6#
- 1...Kd4
- 2.Sxf6#
- 1...Ke5
- 2.Sxc3#
- 1...e5
- 2.Qxc4#
- 1...Ba3!
- threat
- 1.Sxe6?
- threat
- 2.Rd4#
- 2.Qxc4#
- 1...Rxe6
- 2.Qxc4#
- 1...Bxe6
- 2.Qxc4#
- 1...cxd2
- 2.Qxc4#
- 1...Re5
- 2.Qxc4#
- 1...Rh4
- 2.Qxc4#
- 1...c2
- 2.Qxc4#
- 1...b5
- 2.Rd4#
- 1...Rf4!
- threat
- 1.Sxb7?
- threat
- 2.Qxd6#
- 2.Qxc4#
- 1...Rf4
- 2.Qxd6#
- 1...e5
- 2.Qxc4#
- 1...Ba3
- 2.Qxc4#
- 1...Bxb7+!
- threat
- 1.Sd7?
- threat
- 2.Sb6#
- 2.Qxc4#
- 1...Bxd7
- 2.Qxc4#
- 1...e5
- 2.Qxc4#
- 1...b5
- 2.Sb6#
- 1...b6
- 2.Sxb6#
- 2.Qxc4#
- 1...Rf4!
- threat
- 1.Qxb7+?
- 1...Kxc5
- 2.Rxc4#
- 1...Bxb7+!
- 1...Kxc5
- 1.Sxc4?
- Keys
- 1.Sde4!
- threat
- 2.Qxd6#
- 1...Kd4
- 2.Sxf6#
- 1...Ke5
- 2.Sxc3#
- 1...dxc5
- 2.Rd1#
- 2.Qd6#
- 2.Qxc5#
- 1...e5
- 2.Rd1#
- threat
- 1.Sde4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);XP(d)
- Threat
- DUALS(3)
- Refutation
- R(i);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(c);XS(C)::QAB1(F),XP(d)
- P(d);XS(E)::QAB1(F)
- P(h);::QAB1(F),XP(d)
- R(f);::QAB1(F),XP(d)
- P(c);::QAB1(F),XP(d)
- P(j);::R1(D)
- Refutation
- R(i);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(h);::QAB1(F),XP(d)
- P(j);::S(E)
- Refutation
- R(i);
- Try
- S(E);
- Threat
- QAR1(F),XP(g)
- Vars
- K(e);P-FLIGHT::R(D)+S(E),XR(i)
- K(e);P-FLIGHT,P_SPINP(g)::R(B)+S(E),XP(c)
- P(h);SBLOCK::QAB1(F),XP(d)
- Refutation
- B(b);
- Try
- S(E);XP(h)
- Threat
- DUALS(2)
- Vars
- R(i);XS(E)::QAB1(F),XP(d)
- B(l);XS(E)::QAB1(F),XP(d)
- P(c);XS(C)::QAB1(F),XP(d)
- R(f);::QAB1(F),XP(d)
- P(c);::QAB1(F),XP(d)
- P(j);::R1(D)
- Refutation
- R(i);
- Try
- S(E);XP(j)
- Threat
- DUALS(2)
- Vars
- R(i);::QAR1(F),XP(g)
- P(h);::QAB1(F),XP(d)
- B(b);::QAB1(F),XP(d)
- Refutation
- B(l);CHECK,XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(l);XS(E)::QAB1(F),XP(d)
- P(h);::QAB1(F),XP(d)
- P(j);::S(E)
- Refutation
- R(i);
- Try
- Q(F);CHECK,XP(j)
- Vars
- K(e);P-FLIGHT,XS(E)::R1(D),XP(d)
- Refutation
- B(l);CHECK,XQ(F)
- Try
- Actual
- S(C);
- Threat
- QAR1(F),XP(g)
- Vars
- K(e);P-FLIGHT::R(D)+S(C),XR(i)
- K(e);P-FLIGHT,P_SPINP(g)::R(B)+S(C),XP(c)
- P(h);SBLOCK::R(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).