MESON Chess Problem Database
Problem Display
PID: 118520 (2Q5/K1NN4/1PpP4/np1pP3/2k5/P1Pp4/n7/BR1B4 w - - 0 1)
Schneider, Michael
Fules TT, 1971
#2
12 + 7
| 6490 | yacpdb | 2009 |
| 133 | The Problemist Supplement | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Rb4#
- 1...Sxc3
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...d2
- 2.Be2#
- 1...b4
- 2.Qa6#
- 1...d4
- 2.Qg8#
- 1...Sc1
- Tries
- 1.Ka8?
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...b4
- 2.Qa6#
- 1...d4
- 2.Qg8#
- 1...c5!
- 1...Sxc3
- 1.Kb8?
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...b4
- 2.Qa6#
- 1...d4
- 2.Qg8#
- 1...c5!
- 1...Sxc3
- 1.Sa6?
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...d4
- 2.Qg8#
- 1...c5
- 2.Qxc5#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...b4!
- 1...Sxc3
- 1.Se6?
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...b4
- 2.Qa6#
- 1...c5
- 2.Qxc5#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...d4!
- 1...Sxc3
- 1.Se8?
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...b4
- 2.Qa6#
- 1...c5
- 2.Qxc5#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...d4!
- 1...Sxc3
- 1.Ba4?
- 1...Sxc3
- 2.Rb4#
- 1...bxa4
- 2.Qa6#
- 1...c5
- 2.Bxb5#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...b4
- 2.Qa6#
- 1...d4
- 2.Qg8#
- 1...d2!
- 1...Sxc3
- 1.Rxb5?
- threat
- 2.Rc5#
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...c5
- 2.Rxc5#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...cxb5!
- threat
- 1.Qa6?
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...c5
- 2.Qxb5#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...d4!
- 1...Sxc3
- 1.Qb7?
- 1...Sxc3
- 2.Rb4#
- 1...Sxb7
- 2.Bb3#
- 1...d2
- 2.Be2#
- 1...c5
- 2.Qxd5#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...b4
- 2.Qa6#
- 1...d4!
- 1...Sxc3
- 1.Qa8?
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...c5
- 2.Qxd5#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...d4
- 2.Qg8#
- 1...b4!
- 1...Sxc3
- 1.Qg8?
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...c5
- 2.Qxd5#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...b4!
- 1...Sxc3
- 1.e6?
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...c5
- 2.Se5#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...b4
- 2.Qa6#
- 1...d4!
- 1...Sxc3
- 1.b7?
- 1...Sxc3
- 2.Rb4#
- 1...Sxb7
- 2.Bb3#
- 1...d2
- 2.Be2#
- 1...c5
- 2.Sb6#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...d4
- 2.Qg8#
- 1...b4!
- 1...Sxc3
- 1.Ka8?
- Keys
- 1.Sa8!
- 1...Sxc3
- 2.Rb4#
- 1...d2
- 2.Be2#
- 1...b4
- 2.Qa6#
- 1...d4
- 2.Qg8#
- 1...c5
- 2.Qxc5#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sb3
- 2.Bxb3#
- 1...Sb7
- 2.Bb3#
- 1...Sxc3
- 1.Sa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD,XP(E)::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- P(b);OGATEB::B(C)
- P(e);OGATEB::QAB(L)
- P(f);OGATEB::QAB(L)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- P(e);OGATEB::QAB(L)
- P(f);OGATEB::QAB(L)
- Refutation
- P(g);
- Try
- K(I);S_FLIGHT
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- P(e);OGATEB::QAB(L)
- P(f);OGATEB::QAB(L)
- Refutation
- P(g);
- Try
- S(J);P_PINP(g)
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- P(f);OGATEB::QAB(L)
- P(g);OGATE::QAR1(L),XP(g)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- Refutation
- P(e);
- Try
- S(J);P_PINP(g)
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- P(e);OGATEB::QAB(L)
- P(g);OGATE::QAR1(L),XP(g)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- Refutation
- P(f);
- Try
- S(J);P_PINP(g)
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- P(e);OGATEB::QAB(L)
- P(g);OGATE::QAR1(L),XP(g)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- Refutation
- P(f);
- Try
- B(C);
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(e);OGATEB,XB(C)::QAB(L)
- P(g);N_GUARD::B(C),XP(e)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- P(e);OGATEB::QAB(L)
- P(f);OGATEB::QAB(L)
- Refutation
- P(b);
- Try
- R(B);XP(e)
- Threat
- R1(B)
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- P(g);::R1(B),XP(g)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- Refutation
- P(g);XR(B)
- Try
- Q(L);P_PINP(e)
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- P(g);N_GUARD::QAB1(L),XP(e)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- Refutation
- P(f);
- Try
- Q(L);
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- S(d);N_GUARD,XQ(L)::B(C)
- P(b);OGATEB::B(C)
- P(g);OGATE::QAB1(L),XP(f)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- P(e);OGATEB::QAB(L)
- Refutation
- P(f);
- Try
- Q(L);
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- P(g);OGATE::QAB1(L),XP(f)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- P(f);OGATEB::QAB(L)
- Refutation
- P(e);
- Try
- Q(L);P_PINP(f)
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- P(g);N_GUARD::QAB1(L),XP(f)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- Refutation
- P(e);
- Try
- P(F);
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- P(g);SBLOCK::S(K)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(C)
- P(e);OGATEB::QAB(L)
- Refutation
- P(f);
- Try
- P(G);
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- S(d);N_GUARD,XP(G)::B(C)
- P(b);OGATEB::B(C)
- P(g);SBLOCK::S(K)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- P(f);OGATEB::QAB(L)
- Refutation
- P(e);
- Try
- Actual
- S(J);P_PINP(g)
- Vars
- S(a);N_GUARD,XP(E)::R1(B)
- P(b);OGATEB::B(C)
- P(e);OGATEB::QAB(L)
- P(f);OGATEB::QAB(L)
- P(g);OGATE::QAR1(L),XP(g)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(d);N_GUARD::B(C),XS(d)
- S(d);N_GUARD::B(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).