MESON Chess Problem Database
Problem Display
PID: 23710 (6K1/N6P/p2p2Q1/3Pk2r/Rn5N/b1PP4/5Pn1/4rRqB w - - 0 1)
Brehmer, Siegfried
Bruch, Wieland
100 und ein Schachproblem von Siegfried Brehmer, 1996
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Qg3#
- 1...Kxd5
- 2.Ra5#
- 1...Rxh4
- 2.Qg5#
- 1...Rf5
- 2.Qxf5#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qf5#
- 2.Qg5#
- 1...Rxh7
- 2.Qf5#
- 2.Qg5#
- 1...Se3
- 2.f4#
- 1...Sf4
- 2.d4#
- 1...Sxh4
- 2.f4#
- 1...Sa2
- 2.Qe6#
- 1...Sc2
- 2.Qe6#
- 1...Sxd3
- 2.Qe6#
- 1...Sxd5
- 2.Sf3#
- 2.Sc6#
- 1...Sc6
- 2.Qe6#
- 1...Kf4
- Tries
- 1.Sxg2?
- threat
- 2.Qe6#
- 1...Kxd5
- 2.Ra5#
- 1...Sxd5
- 2.Sc6#
- 2.d4#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Qxg2!
- threat
- 1.Sf3+?
- 1...Kxd5
- 2.Ra5#
- 1...Kf4!
- 1...Kxd5
- 1.Sb5?
- threat
- 2.Qxd6#
- 1...Kf4
- 2.Qg3#
- 1...Kxd5
- 2.Qxd6#
- 1...Rxh4
- 2.Qg5#
- 1...Sxh4
- 2.f4#
- 1...Sxd3
- 2.Qe6#
- 1...Sxd5
- 2.Sf3#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qf5#
- 2.Qg5#
- 1...Se3
- 2.f4#
- 1...Sf4
- 2.d4#
- 1...Sa2
- 2.Qe6#
- 1...Sc2
- 2.Qe6#
- 1...Sc6
- 2.Qe6#
- 1...axb5!
- threat
- 1.Sc6+?
- 1...Kf4
- 2.Qg3#
- 1...Sxc6
- 2.Qe6#
- 1...Kxd5!
- 1...Kf4
- 1.Qxh5+?
- 1...Kf4
- 2.Sg6#
- 2.Qf5#
- 1...Kf6!
- 1...Kf4
- 1.Qf6+?
- 1...Kxd5
- 2.Ra5#
- 1...Kxf6!
- 1...Kxd5
- 1.Qg7+?
- 1...Kf4
- 2.Qg3#
- 1...Kxd5!
- 1...Kf4
- 1.h8Q+?
- 1...Kf4
- 2.Qg3#
- 1...Kxd5
- 2.Ra5#
- 2.Qd4#
- 1...Rxh8+!
- 1...Kf4
- 1.h8B+?
- 1...Kf4
- 2.Qg3#
- 1...Kxd5
- 2.Ra5#
- 1...Rxh8+!
- 1...Kf4
- 1.Sxg2?
- Keys
- 1.Sc8!
- threat
- 2.Qxd6#
- 1...Kf4
- 2.Qg3#
- 1...Kxd5
- 2.Qxd6#
- 1...Rxh4
- 2.Qg5#
- 1...Sxh4
- 2.f4#
- 1...Sxd3
- 2.Qe6#
- 1...Sxd5
- 2.Sf3#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qf5#
- 2.Qg5#
- 1...Se3
- 2.f4#
- 1...Sf4
- 2.d4#
- 1...Sa2
- 2.Qe6#
- 1...Sc2
- 2.Qe6#
- 1...Sc6
- 2.Qe6#
- threat
- 1.Sc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(f);P_SPINS(e),S_FLIGHT::QAB1(I)
- K(f);OGATEB,P-FLIGHT,P_SPINS(c),XP(H)::R(F)
- R(g);N_GUARD,XS(G)::QAR2(I)
- R(g);N_GUARD::QAR1(I),XR(g)
- R(g);N_GUARD,P_PINQ(I)::QAR2(I),XR(g)
- S(c);N_GUARD,P_PINQ(I)::P(C)
- S(c);P_PINQ(I),SBLOCK::P(E)
- S(c);N_GUARD,P_PINQ(I),XS(G)::P(C)
- S(e);::QAR1(I)
- S(e);XP(E)::QAR1(I)
- Tries
- Try
- S(G);XS(c)
- Threat
- QAR1(I)
- Vars
- K(f);OGATEB,P-FLIGHT,XP(H)::R(F)
- R(g);N_GUARD,P_PINQ(I)::QAR2(I),XR(g)
- R(g);N_GUARD::QAR2(I)
- Refutation
- Q(b);P_PINQ(I),XS(G)
- Try
- S(G);CHECK
- Vars
- K(f);P-FLIGHT,XP(H)::R(F)
- Refutation
- K(f);P_SPINS(e),S_FLIGHT
- Try
- S(J);
- Threat
- QAB1(I),XP(i)
- Vars
- K(f);P_SPINS(e),S_FLIGHT::QAB1(I)
- K(f);P-FLIGHT,P_SPINS(c),XP(H)::QAR1(I),XP(i)
- R(g);N_GUARD,XS(G)::QAR2(I)
- S(c);N_GUARD,P_PINQ(I),XS(G)::P(C)
- S(e);XP(E)::QAR1(I)
- S(e);SBLOCK,XP(H)::S(G)
- R(g);N_GUARD,P_PINQ(I)::QAR2(I),XR(g)
- S(c);N_GUARD,P_PINQ(I)::P(C)
- S(c);P_PINQ(I),SBLOCK::P(E)
- S(e);::QAR1(I)
- Refutation
- P(h);XS(J)
- Try
- S(J);CHECK
- Vars
- K(f);P_SPINS(e),S_FLIGHT::QAB1(I)
- S(e);XS(J)::QAR1(I)
- Refutation
- K(f);P-FLIGHT,P_SPINS(c),XP(H)
- Try
- Q(I);CHECK,XR(g)
- Refutation
- K(f);S_FLIGHT
- Try
- Q(I);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINS(c),XP(H)::R(F)
- Refutation
- K(f);S_FLIGHT,XQ(I)
- Try
- Q(I);CHECK
- Vars
- K(f);P_SPINS(e),S_FLIGHT::QAB1(I)
- Refutation
- K(f);P-FLIGHT,P_SPINS(c),XP(H)
- Try
- P(K);CHECK
- Vars
- K(f);P_SPINS(e),S_FLIGHT::QAB1(I)
- Refutation
- R(g);CHECK,XQ(K)
- Try
- P(K);CHECK
- Vars
- K(f);P_SPINS(e),S_FLIGHT::QAB1(I)
- K(f);P-FLIGHT,P_SPINS(c),XP(H)::R(F)
- Refutation
- R(g);CHECK,XB(K)
- Try
- Actual
- S(J);
- Threat
- QAB1(I),XP(i)
- Vars
- K(f);P_SPINS(e),S_FLIGHT::QAB1(I)
- K(f);P-FLIGHT,P_SPINS(c),XP(H)::QAR1(I),XP(i)
- R(g);N_GUARD,XS(G)::QAR2(I)
- S(c);N_GUARD,P_PINQ(I),XS(G)::P(C)
- S(e);XP(E)::QAR1(I)
- S(e);SBLOCK,XP(H)::S(G)
- R(g);N_GUARD,P_PINQ(I)::QAR2(I),XR(g)
- S(c);N_GUARD,P_PINQ(I)::P(C)
- S(c);P_PINQ(I),SBLOCK::P(E)
- S(e);::QAR1(I)
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).