MESON Chess Problem Database
Problem Display
PID: 90228 (1K1N2n1/1P6/3p3r/p2k2p1/2RBR3/rP1P1pNB/p1P1P2n/6Q1 w - - 0 1)
Buchwald, Julius
Die Schwalbe, 1963
#2
13 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Be6#
- 1...Rh5
- 2.Be6#
- 1...Re6
- 2.Bxe6#
- 1...Rh7
- 2.Be6#
- 1...Rh8
- 2.Be6#
- 1...Sf6
- 2.Be6#
- 1...Rh4
- Tries
- 1.Sf1?
- threat
- 2.Se3#
- 2.Qxg5#
- 1...Sxf1
- 2.Qxg5#
- 1...Rh5
- 2.Se3#
- 2.Be6#
- 1...Re6
- 2.Se3#
- 2.Bxe6#
- 1...Rf6
- 2.Se3#
- 1...Rg6
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...g4
- 2.Se3#
- 1...Sg4!
- threat
- 1.Se6?
- threat
- 2.Sc7#
- 1...Rxe6
- 2.Bxe6#
- 1...Rh7!
- threat
- 1.Rb4?
- threat
- 2.Rb5#
- 2.c4#
- 1...Rxb3
- 2.c4#
- 1...axb4!
- threat
- 1.Rf4?
- threat
- 2.Rf5#
- 2.e4#
- 1...fxe2
- 2.Rf5#
- 1...Re6
- 2.Bxe6#
- 1...Rf6
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Sf6
- 2.Be6#
- 2.Rf5#
- 1...Se7
- 2.e4#
- 1...gxf4!
- threat
- 1.Rg4?
- threat
- 2.Rxg5#
- 2.e4#
- 1...Sxg4
- 2.e4#
- 1...fxe2
- 2.Rxg5#
- 1...Rh5
- 2.e4#
- 1...Rf6
- 2.e4#
- 1...Rg6
- 2.e4#
- 1...Sf6
- 2.Rxg5#
- 1...Se7
- 2.e4#
- 1...Re6!
- threat
- 1.Rh4?
- threat
- 2.e4#
- 1...Rxh4
- 2.Be6#
- 1...Re6
- 2.Bxe6#
- 1...Sf6
- 2.Be6#
- 1...fxe2!
- threat
- 1.Re7?
- threat
- 2.e4#
- 1...Rh4
- 2.Be6#
- 1...Re6
- 2.Bxe6#
- 1...Sf6
- 2.Be6#
- 1...fxe2!
- threat
- 1.Re8?
- threat
- 2.e4#
- 1...Rh4
- 2.Be6#
- 1...Re6
- 2.Bxe6#
- 1...Sf6
- 2.Be6#
- 1...fxe2!
- threat
- 1.Sf1?
- Keys
- 1.Bf6!
- threat
- 2.Be6#
- 2.Red4#
- 2.Qd4#
- 1...Rxh3
- 2.Red4#
- 2.Qd4#
- 1...Rxf6
- 2.Qd4#
- 1...Sxf6
- 2.Be6#
- 2.Qd4#
- 1...a1Q
- 2.Be6#
- 1...a1B
- 2.Be6#
- 1...Sg4
- 2.Red4#
- 2.Qd4#
- 1...Rh4
- 2.Be6#
- 2.Qd4#
- 1...f2
- 2.Be6#
- 2.Red4#
- 1...g4
- 2.Red4#
- 2.Qd4#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(i);N_GUARD::B(G)
- R(i);N_GUARD::B(G),XR(i)
- S(j);S_CUTR(i)::B(G)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(b);XS(F)::QAR(A),XP(g)
- R(i);::S(F)
- S(j);::S(F)
- P(g);::S(F)
- Refutation
- S(b);
- Try
- S(M);
- Threat
- S(M)
- Vars
- R(i);OGATE,XS(M)::B(G),XR(i)
- Refutation
- R(i);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(c);XP(D)::P(B)
- Refutation
- P(e);XR(H)
- Try
- R(J);
- Threat
- DUALS(2)
- Vars
- P(d);XP(C)::R(J)
- R(i);N_GUARD::B(G),XR(i)
- R(i);::P(C)
- S(b);::P(C)
- S(j);::P(C)
- Refutation
- P(g);XR(J)
- Try
- R(J);
- Threat
- DUALS(2)
- Vars
- S(b);XR(J)::P(C)
- P(d);XP(C)::R(J),XP(g)
- R(i);::P(C)
- S(j);::R(J),XP(g)
- S(j);::P(C)
- Refutation
- R(i);
- Try
- R(J);
- Threat
- P(C)
- Vars
- R(i);N_GUARD,XR(J)::B(G)
- R(i);N_GUARD::B(G),XR(i)
- S(j);S_CUTR(i)::B(G)
- Refutation
- P(d);XP(C)
- Try
- R(J);
- Threat
- P(C)
- Vars
- R(i);N_GUARD::B(G)
- R(i);N_GUARD::B(G),XR(i)
- S(j);S_CUTR(i)::B(G)
- Refutation
- P(d);XP(C)
- Try
- R(J);
- Threat
- P(C)
- Vars
- R(i);N_GUARD::B(G)
- R(i);N_GUARD::B(G),XR(i)
- S(j);S_CUTR(i)::B(G)
- Refutation
- P(d);XP(C)
- Try
- Actual
- B(I);
- Threat
- DUALS(3)
- Vars
- R(i);XB(I)::QAR1(A)
- P(a);::B(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).