MESON Chess Problem Database
Problem Display
PID: 169819 (B2n4/b3B1N1/rpR5/Qb2pPpr/2P2kpN/2pp2np/3PR3/4K3 w - - 0 1)
Schneider, Johann Bernhard Michael
Die Schwalbe, 1945
#2
11 + 14
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Qxe5#
- 1...Bxc4
- 2.Qxe5#
- 1...Bxc6
- 2.Qxe5#
- 1...Sf1
- 2.Sxh5#
- 1...Sh1
- 2.Sxh5#
- 1...Se4
- 2.Sxh5#
- 1...Sxf5
- 2.Sxh5#
- 1...Sxc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...cxd2+
- 2.Qxd2#
- 1...e4
- 2.Bd6#
- 1...Ba4
- Tries
- 1.Re4+?
- 1...Sxe4
- 2.Sxh5#
- 1...Kxe4!
- 1...Sxe4
- 1.Rc5?
- threat
- 2.Sg6#
- 2.Rf2#
- 1...cxd2+
- 2.Qxd2#
- 1...Rxh4
- 2.Rf2#
- 1...Sxe2
- 2.Sxh5#
- 1...Sxf5
- 2.Sxh5#
- 1...dxe2
- 2.Sg6#
- 1...gxh4
- 2.Rf2#
- 1...bxa5
- 2.Rf2#
- 1...bxc5
- 2.Rf2#
- 1...Sf1
- 2.Sxh5#
- 1...Sh1
- 2.Sxh5#
- 1...Se4
- 2.Sxh5#
- 1...Rh6
- 2.Rf2#
- 1...Be8
- 2.Rf2#
- 1...Sc6
- 2.Se6#
- 1...Sb7
- 2.Se6#
- 1...e4
- 2.Bd6#
- 2.Rf2#
- 1...Bc6!
- threat
- 1.Rd6?
- threat
- 2.Sg6#
- 2.Rf2#
- 1...cxd2+
- 2.Qxd2#
- 1...Rxh4
- 2.Rf2#
- 1...Sxe2
- 2.Sxh5#
- 1...Sxf5
- 2.Sxh5#
- 1...dxe2
- 2.Sg6#
- 1...gxh4
- 2.Rf2#
- 1...bxa5
- 2.Sg6#
- 1...Sf1
- 2.Sxh5#
- 1...Sh1
- 2.Sxh5#
- 1...Se4
- 2.Sxh5#
- 1...Rh6
- 2.Rf2#
- 1...Bc6
- 2.Qxe5#
- 1...Be8
- 2.Rf2#
- 2.Qxe5#
- 1...Sc6
- 2.Se6#
- 1...Sb7
- 2.Se6#
- 1...e4!
- threat
- 1.Rf6?
- threat
- 2.Sg6#
- 2.Rf2#
- 1...cxd2+
- 2.Qxd2#
- 1...Rxh4
- 2.Rf2#
- 1...Sxe2
- 2.Sxh5#
- 1...Sxf5
- 2.Sxh5#
- 1...dxe2
- 2.Sg6#
- 1...bxa5
- 2.Sg6#
- 1...Sf1
- 2.Sxh5#
- 1...Sh1
- 2.Sxh5#
- 1...Se4
- 2.Sxh5#
- 1...e4
- 2.Bd6#
- 1...Rh6
- 2.Rf2#
- 1...Bc6
- 2.Qxe5#
- 1...Be8
- 2.Rf2#
- 2.Qxe5#
- 1...Sc6
- 2.Se6#
- 1...Sb7
- 2.Se6#
- 1...gxh4!
- threat
- 1.Rh6?
- threat
- 2.Sg6#
- 2.Rf2#
- 1...cxd2+
- 2.Qxd2#
- 1...Rxh4
- 2.Rf2#
- 1...Rxh6
- 2.Rf2#
- 1...Sxe2
- 2.Sxh5#
- 1...Sxf5
- 2.Sxh5#
- 1...dxe2
- 2.Sg6#
- 1...gxh4
- 2.Rf2#
- 1...Sf1
- 2.Sxh5#
- 1...Sh1
- 2.Sxh5#
- 1...Se4
- 2.Sxh5#
- 1...e4
- 2.Bd6#
- 1...Bc6
- 2.Qxe5#
- 1...Be8
- 2.Rf2#
- 2.Qxe5#
- 1...Sc6
- 2.Se6#
- 1...Sb7
- 2.Se6#
- 1...bxa5!
- threat
- 1.Rc7?
- threat
- 2.Sg6#
- 2.Rf2#
- 1...cxd2+
- 2.Qxd2#
- 1...Rxh4
- 2.Rf2#
- 1...Sxe2
- 2.Sxh5#
- 1...Sxf5
- 2.Sxh5#
- 1...dxe2
- 2.Sg6#
- 1...gxh4
- 2.Rf2#
- 1...Sf1
- 2.Sxh5#
- 1...Sh1
- 2.Sxh5#
- 1...Se4
- 2.Sxh5#
- 1...e4
- 2.Bd6#
- 1...Rh6
- 2.Rf2#
- 1...Bc6
- 2.Qxe5#
- 1...Be8
- 2.Rf2#
- 2.Qxe5#
- 1...Sc6
- 2.Se6#
- 1...Sb7
- 2.Se6#
- 1...bxa5!
- threat
- 1.Rc8?
- threat
- 2.Sg6#
- 2.Rf2#
- 1...cxd2+
- 2.Qxd2#
- 1...Rxh4
- 2.Rf2#
- 1...Sxe2
- 2.Sxh5#
- 1...Sxf5
- 2.Sxh5#
- 1...dxe2
- 2.Sg6#
- 1...gxh4
- 2.Rf2#
- 1...Sf1
- 2.Sxh5#
- 1...Sh1
- 2.Sxh5#
- 1...Se4
- 2.Sxh5#
- 1...e4
- 2.Bd6#
- 1...Rh6
- 2.Rf2#
- 1...Bc6
- 2.Qxe5#
- 1...Be8
- 2.Rf2#
- 2.Qxe5#
- 1...Sc6
- 2.Se6#
- 1...Sb7
- 2.Se6#
- 1...bxa5!
- threat
- 1.Re4+?
- Keys
- 1.Rxb6!
- threat
- 2.Sg6#
- 2.Rf2#
- 1...cxd2+
- 2.Qxd2#
- 1...Rxh4
- 2.Rf2#
- 1...Rxb6
- 2.Rf2#
- 1...Bxb6
- 2.Sg6#
- 1...Sxe2
- 2.Sxh5#
- 1...Sxf5
- 2.Sxh5#
- 1...dxe2
- 2.Sg6#
- 1...gxh4
- 2.Rf2#
- 1...Sf1
- 2.Sxh5#
- 1...Sh1
- 2.Sxh5#
- 1...Se4
- 2.Sxh5#
- 1...e4
- 2.Bd6#
- 1...Rh6
- 2.Rf2#
- 1...Bc6
- 2.Qxe5#
- 1...Be8
- 2.Rf2#
- 2.Qxe5#
- 1...Sc6
- 2.Se6#
- 1...Sb7
- 2.Se6#
- threat
- 1.Rxb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 4
- Sets
- B(g);OGATE::QAB1(F),XP(h)
- B(g);OGATE,XP(D)::QAB1(F),XP(h)
- B(g);OGATE,XR(H)::QAB1(F),XP(h)
- S(c);N_GUARD::S(J),XR(j)
- S(c);N_GUARD,XP(G)::S(J),XR(j)
- S(n);N_GUARD,XR(H)::S(J)
- S(n);N_GUARD::S(J),XS(n)
- S(n);N_GUARD::S(J)
- P(a);CHECK,OGATE,XP(B)::QAB(F),XP(a)
- P(h);OGATEB::B(I)
- Tries
- Try
- R(C);CHECK
- Vars
- S(c);SBLOCK,XR(C)::S(J),XR(j)
- Refutation
- K(e);P-FLIGHT,XR(C)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- P(a);CHECK,OGATE,XP(B)::QAB(F),XP(a)
- R(j);XS(E)::R(C)
- S(c);N_GUARD,XR(C)::S(J),XR(j)
- S(c);N_GUARD,XP(G)::S(J),XR(j)
- P(b);XR(C)::S(E)
- P(i);XS(E)::R(C)
- P(l);XQ(F)::R(C)
- P(l);XR(H)::R(C)
- S(c);N_GUARD::S(J),XR(j)
- R(j);::R(C)
- B(g);::R(C)
- S(n);N_GUARD::S(J)
- Refutation
- B(g);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- P(a);CHECK,OGATE,XP(B)::QAB(F),XP(a)
- R(j);XS(E)::R(C)
- S(c);N_GUARD,XR(C)::S(J),XR(j)
- S(c);N_GUARD,XP(G)::S(J),XR(j)
- P(b);XR(C)::S(E)
- P(i);XS(E)::R(C)
- P(l);XQ(F)::S(E)
- S(c);N_GUARD::S(J),XR(j)
- R(j);::R(C)
- B(g);OGATE::QAB1(F),XP(h)
- S(n);N_GUARD::S(J)
- Refutation
- P(h);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- P(a);CHECK,OGATE,XP(B)::QAB(F),XP(a)
- R(j);XS(E)::R(C)
- S(c);N_GUARD,XR(C)::S(J),XR(j)
- S(c);N_GUARD,P_SPINS(c),XP(G)::S(J),XR(j)
- P(b);XR(C)::S(E)
- P(l);XQ(F)::S(E)
- S(c);N_GUARD::S(J),XR(j)
- P(h);OGATEB::B(I)
- R(j);::R(C)
- B(g);OGATE::QAB1(F),XP(h)
- S(n);N_GUARD::S(J)
- Refutation
- P(i);XS(E)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- P(a);CHECK,OGATE,XP(B)::QAB(F),XP(a)
- R(j);XS(E)::R(C)
- R(j);XR(H)::R(C)
- S(c);N_GUARD,XR(C)::S(J),XR(j)
- S(c);N_GUARD,XP(G)::S(J),XR(j)
- P(b);XR(C)::S(E)
- P(i);XS(E)::R(C)
- S(c);N_GUARD::S(J),XR(j)
- P(h);OGATEB::B(I)
- B(g);OGATE::QAB1(F),XP(h)
- S(n);N_GUARD::S(J)
- Refutation
- P(l);XQ(F)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- P(a);CHECK,OGATE,XP(B)::QAB(F),XP(a)
- R(j);XS(E)::R(C)
- S(c);N_GUARD,XR(C)::S(J),XR(j)
- S(c);N_GUARD,XP(G)::S(J),XR(j)
- P(b);XR(C)::S(E)
- P(i);XS(E)::R(C)
- S(c);N_GUARD::S(J),XR(j)
- P(h);OGATEB::B(I)
- R(j);::R(C)
- B(g);OGATE::QAB1(F),XP(h)
- S(n);N_GUARD::S(J)
- Refutation
- P(l);XQ(F)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- P(a);CHECK,OGATE,XP(B)::QAB(F),XP(a)
- R(j);XS(E)::R(C)
- S(c);N_GUARD,XR(C)::S(J),XR(j)
- S(c);N_GUARD,XP(G)::S(J),XR(j)
- P(b);XR(C)::S(E)
- P(i);XS(E)::R(C)
- S(c);N_GUARD::S(J),XR(j)
- P(h);OGATEB::B(I)
- R(j);::R(C)
- B(g);OGATE::QAB1(F),XP(h)
- S(n);N_GUARD::S(J)
- Refutation
- P(l);XQ(F)
- Try
- Actual
- R(H);XP(l)
- Threat
- DUALS(2)
- Vars
- P(a);CHECK,OGATE,XP(B)::QAB(F),XP(a)
- R(j);XS(E)::R(C)
- R(k);XR(H)::R(C)
- B(m);XR(H)::S(E)
- S(c);N_GUARD,XR(C)::S(J),XR(j)
- S(c);N_GUARD,XP(G)::S(J),XR(j)
- P(b);XR(C)::S(E)
- P(i);XS(E)::R(C)
- S(c);N_GUARD::S(J),XR(j)
- P(h);OGATEB::B(I)
- R(j);::R(C)
- B(g);OGATE::QAB1(F),XP(h)
- S(n);N_GUARD::S(J)
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).