MESON Chess Problem Database
Problem Display
PID: 41030 (3n4/N1RB1p2/P7/r1p1p2r/1bPkp2N/8/1PQnK3/8 w - - 0 1)
Ewald, Kurt
Die Schwalbe, 2001
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sb5#
- 1...Ra2
- 2.Sb5#
- 1...Ra3
- 2.Sb5#
- 1...Ra4
- 2.Sb5#
- 1...Rb5
- 2.Sxb5#
- 1...Rxa6
- 2.Sb5#
- 1...Rf5
- 2.Sxf5#
- 1...Rh6
- 2.Sf5#
- 1...Rh7
- 2.Sf5#
- 1...Rh8
- 2.Sf5#
- 1...Ba3
- 2.Qc3#
- 1...Bc3
- 2.Qxc3#
- 1...Sc6
- 2.Sxc6#
- 1...Se6
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 1...e3
- 2.Qd3#
- 1...Ra1
- Tries
- 1.Bh3?
- threat
- 2.Rd7#
- 1...Rxa6
- 2.Sb5#
- 1...Bc3
- 2.Qxc3#
- 1...Rh6
- 2.Sf5#
- 1...Sb7
- 2.Sc6#
- 1...Sxc4!
- threat
- 1.Ba4?
- threat
- 2.Rd7#
- 1...Rxa6
- 2.Sb5#
- 1...Bc3
- 2.Qxc3#
- 1...Rh6
- 2.Sf5#
- 1...Sb7
- 2.Sc6#
- 1...Sxc4!
- threat
- 1.Bg4?
- threat
- 2.Rd7#
- 1...Rxa6
- 2.Sb5#
- 1...Bc3
- 2.Qxc3#
- 1...Rh6
- 2.Sf5#
- 1...Sb7
- 2.Sc6#
- 1...Sxc4!
- threat
- 1.Bb5?
- threat
- 2.Rd7#
- 1...Sxc4
- 2.Qxc4#
- 1...Rh6
- 2.Sf5#
- 1...Sb7
- 2.Sc6#
- 1...Rxa6!
- threat
- 1.Bf5?
- threat
- 2.Rd7#
- 1...Rxa6
- 2.Sb5#
- 1...Sxc4
- 2.Qxe4#
- 1...Bc3
- 2.Qxc3#
- 1...Sb7
- 2.Sc6#
- 1...Rh6!
- threat
- 1.Bc6?
- threat
- 2.Rd7#
- 1...Sxc4
- 2.Qxe4#
- 1...Bc3
- 2.Qxc3#
- 1...Rh6
- 2.Sf5#
- 1...Sb7!
- threat
- 1.Bc8?
- threat
- 2.Rd7#
- 1...Rxa6
- 2.Sb5#
- 1...Bc3
- 2.Qxc3#
- 1...Rh6
- 2.Sf5#
- 1...Sb7
- 2.Sc6#
- 1...Sxc4!
- threat
- 1.Be8?
- threat
- 2.Rd7#
- 1...Rxa6
- 2.Sb5#
- 1...Bc3
- 2.Qxc3#
- 1...Rh6
- 2.Sf5#
- 1...Sb7
- 2.Sc6#
- 1...Sxc4!
- threat
- 1.Bh3?
- Keys
- 1.Be6!
- threat
- 2.Rd7#
- 1...Rxa6
- 2.Sb5#
- 1...Sxc4
- 2.Qxc4#
- 1...Sb7
- 2.Sc6#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- R(e);N_GUARD::S(G)
- R(e);N_GUARD::S(G),XR(e)
- R(e);N_GUARD,XP(F)::S(G)
- R(h);N_GUARD::S(E),XR(h)
- R(h);N_GUARD::S(E)
- B(b);N_GUARD::QAB1(B)
- B(b);N_GUARD::QAB1(B),XB(b)
- S(j);N_GUARD::S(G),XS(j)
- S(j);N_GUARD::S(G)
- P(d);N_GUARD::QAR1(B)
- Tries
- Try
- B(I);
- Threat
- R(H)
- Vars
- R(e);N_GUARD,XP(F)::S(G)
- B(b);N_GUARD::QAB1(B),XB(b)
- R(h);N_GUARD::S(E)
- S(j);N_GUARD::S(G)
- Refutation
- S(a);XP(D)
- Try
- B(I);
- Threat
- R(H)
- Vars
- R(e);N_GUARD,XP(F)::S(G)
- B(b);N_GUARD::QAB1(B),XB(b)
- R(h);N_GUARD::S(E)
- S(j);N_GUARD::S(G)
- Refutation
- S(a);XP(D)
- Try
- B(I);
- Threat
- R(H)
- Vars
- R(e);N_GUARD,XP(F)::S(G)
- B(b);N_GUARD::QAB1(B),XB(b)
- R(h);N_GUARD::S(E)
- S(j);N_GUARD::S(G)
- Refutation
- S(a);XP(D)
- Try
- B(I);
- Threat
- R(H)
- Vars
- S(a);OGATE,XP(D)::QAR1(B),XS(a)
- R(h);N_GUARD::S(E)
- S(j);N_GUARD::S(G)
- Refutation
- R(e);XP(F)
- Try
- B(I);
- Threat
- R(H)
- Vars
- R(e);N_GUARD,XP(F)::S(G)
- S(a);N_GUARD,SBLOCK,XP(D)::QAR1(B),XP(d)
- B(b);N_GUARD::QAB1(B),XB(b)
- S(j);N_GUARD::S(G)
- Refutation
- R(h);
- Try
- B(I);
- Threat
- R(H)
- Vars
- S(a);N_GUARD,SBLOCK,XP(D)::QAR1(B),XP(d)
- B(b);N_GUARD::QAB1(B),XB(b)
- R(h);N_GUARD::S(E)
- Refutation
- S(j);
- Try
- B(I);
- Threat
- R(H)
- Vars
- R(e);N_GUARD,XP(F)::S(G)
- B(b);N_GUARD::QAB1(B),XB(b)
- R(h);N_GUARD::S(E)
- S(j);N_GUARD::S(G)
- Refutation
- S(a);XP(D)
- Try
- B(I);
- Threat
- R(H)
- Vars
- R(e);N_GUARD,XP(F)::S(G)
- B(b);N_GUARD::QAB1(B),XB(b)
- R(h);N_GUARD::S(E)
- S(j);N_GUARD::S(G)
- Refutation
- S(a);XP(D)
- Try
- Actual
- B(I);
- Threat
- R(H)
- Vars
- R(e);N_GUARD,XP(F)::S(G)
- S(a);OGATE,XP(D)::QAR1(B),XS(a)
- S(j);N_GUARD::S(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).