MESON Chess Problem Database
Problem Display
PID: 251375 (6N1/6p1/2p2p2/2P1p2p/2BpkB1P/1Np3PQ/Rp4K1/8 w - - 0 1)
Schulz, Carl
Die Schwalbe, 1930
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...b1Q
- 2.Re2#
- 1...b1S
- 2.Re2#
- 1...b1B
- 2.Re2#
- 1...b1R
- 2.Re2#
- 1...c2
- 2.Sd2#
- 1...exf4
- 2.Qe6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...b1Q
- Tries
- 1.Kf2?
- 1...exf4
- 2.Qe6#
- 1...b1Q
- 2.Re2#
- 1...b1S
- 2.Re2#
- 1...b1B
- 2.Re2#
- 1...b1R
- 2.Re2#
- 1...c2
- 2.Sd2#
- 1...f5
- 2.Qg2#
- 2.Qh1#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...d3!
- 1...exf4
- 1.Se7?
- threat
- 2.Qf5#
- 1...exf4
- 2.Qe6#
- 1...f5
- 2.Qxf5#
- 1...g6!
- threat
- 1.Bd3+?
- 1...Kd5
- 2.Se7#
- 2.Qd7#
- 1...Kxd3!
- 1...Kd5
- 1.Rxb2?
- threat
- 2.Re2#
- 1...cxb2
- 2.Sd2#
- 1...c2
- 2.Sd2#
- 1...d3!
- threat
- 1.Qe6?
- 1...b1Q
- 2.Re2#
- 1...b1S
- 2.Re2#
- 1...b1B
- 2.Re2#
- 1...b1R
- 2.Re2#
- 1...c2
- 2.Sd2#
- 1...f5
- 2.Qxe5#
- 2.Qxc6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...d3!
- 1...b1Q
- 1.Qc8?
- 1...exf4
- 2.Qe6#
- 1...b1Q
- 2.Re2#
- 1...b1S
- 2.Re2#
- 1...b1B
- 2.Re2#
- 1...b1R
- 2.Re2#
- 1...c2
- 2.Sd2#
- 1...f5
- 2.Qxc6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...d3!
- 1...exf4
- 1.Kf2?
- Keys
- 1.Qd7!
- 1...exf4
- 2.Qe6#
- 1...b1Q
- 2.Re2#
- 1...b1S
- 2.Re2#
- 1...b1B
- 2.Re2#
- 1...b1R
- 2.Re2#
- 1...c2
- 2.Sd2#
- 1...d3
- 2.Bxd3#
- 2.Qxd3#
- 1...f5
- 2.Qxc6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...exf4
- 1.Qd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(a);OGATE::R(A)
- P(b);N_GUARD::S(C)
- P(e);OGATEB,XB(G)::QAR2(E)
- P(i);N_GUARD::S(J),XP(h)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- P(e);OGATEB,XB(G)::QAR2(E)
- P(a);OGATE::R(A)
- P(b);N_GUARD::S(C)
- P(i);N_GUARD::S(J),XP(h)
- Refutation
- P(c);
- Try
- S(J);
- Threat
- QAB1(E)
- Vars
- P(e);OGATEB,XB(G)::QAR2(E)
- P(h);::QAB1(E),XP(h)
- Refutation
- P(i);
- Try
- B(F);CHECK
- Refutation
- K(d);S_FLIGHT,XB(F)
- Try
- R(A);XP(a)
- Threat
- R(A)
- Vars
- P(b);N_GUARD,XR(A)::S(C)
- P(b);N_GUARD::S(C)
- Refutation
- P(c);
- Try
- Q(E);P_PINP(e)
- Vars
- P(a);OGATE::R(A)
- P(b);N_GUARD::S(C)
- P(i);N_GUARD::S(J),XP(h)
- Refutation
- P(c);
- Try
- Q(E);
- Vars
- P(e);OGATEB,XB(G)::QAR2(E)
- P(a);OGATE::R(A)
- P(b);N_GUARD::S(C)
- P(h);SBLOCK::QAB(E),XP(g)
- P(i);N_GUARD::S(J),XP(h)
- Refutation
- P(c);
- Try
- Actual
- Q(E);
- Vars
- P(e);OGATEB,XB(G)::QAR2(E)
- P(a);OGATE::R(A)
- P(b);N_GUARD::S(C)
- P(h);SBLOCK::QAB(E),XP(g)
- P(i);N_GUARD::S(J),XP(h)
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).