MESON Chess Problem Database
Problem Display
PID: 258809 (8/B2nK3/5N1R/3Pk3/r3BpP1/2P5/Q6r/6Nb w - - 0 1)
Uris, Miguel
Die Schwalbe, 2022
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Rhxa2
- 2.Rh5#
- 1...Rb2
- 2.Rh5#
- 1...Rc2
- 2.Rh5#
- 1...Rd2
- 2.Rh5#
- 1...Re2
- 2.Rh5#
- 1...Rf2
- 2.Rh5#
- 1...Rg2
- 2.Sf3#
- 2.Rh5#
- 1...Rh5
- 2.Rxh5#
- 1...Raxa2
- 2.Bd4#
- 1...Ra3
- 2.Bd4#
- 1...Rd4
- 2.Bxd4#
- 2.cxd4#
- 1...Rxe4
- 2.Sxd7#
- 1...Ra5
- 2.Bd4#
- 1...Ra6
- 2.Bd4#
- 1...Bf3
- 2.Sxf3#
- 1...Bxe4
- 2.Sxd7#
- 1...Sc5
- 2.Bb8#
- 1...Sb6
- 2.Bb8#
- 1...Sb8
- 2.Bxb8#
- 1...Sf8
- 2.Bb8#
- 1...f3
- 2.Qxh2#
- 1...Rhxa2
- Tries
- 1.Bxh1?
- threat
- 2.Sf3#
- 2.Sxd7#
- 1...Rxh1
- 2.Sf3#
- 1...Rxa7
- 2.Sf3#
- 1...Sxf6
- 2.Bb8#
- 1...Rf2
- 2.Sxd7#
- 2.Rh5#
- 1...Rg2
- 2.Sf3#
- 2.Rh5#
- 1...Rh3
- 2.Sxd7#
- 1...Sc5
- 2.Sf3#
- 2.Bb8#
- 1...Sb6
- 2.Sf3#
- 2.Bb8#
- 1...Sb8
- 2.Sf3#
- 2.Bxb8#
- 1...Sf8
- 2.Sf3#
- 2.Bb8#
- 1...f3!
- threat
- 1.Bf3?
- threat
- 2.Sxd7#
- 1...Bxf3
- 2.Sxf3#
- 1...Sxf6
- 2.Bb8#
- 1...Sc5
- 2.Bb8#
- 1...Sb6
- 2.Bb8#
- 1...Sb8
- 2.Bxb8#
- 1...Sf8
- 2.Bb8#
- 1...Rxa7!
- threat
- 1.Qc4?
- threat
- 2.Sxd7#
- 2.Bd4#
- 2.Qc7#
- 1...Rxa7
- 2.Qd4#
- 1...Sxf6
- 2.Bb8#
- 1...f3
- 2.Qc7#
- 1...Rd2
- 2.Sxd7#
- 2.Rh5#
- 2.Qc7#
- 1...Ra6
- 2.Sxd7#
- 2.Bd4#
- 2.Qd4#
- 1...Sc5
- 2.Bb8#
- 1...Sb6
- 2.Bb8#
- 2.Qc7#
- 1...Sb8
- 2.Bd4#
- 2.Bxb8#
- 2.Qc7#
- 1...Sf8
- 2.Bd4#
- 2.Bb8#
- 2.Qc7#
- 1...Rxc4!
- threat
- 1.Qg2?
- threat
- 2.Sf3#
- 2.Sxd7#
- 1...Rxg2
- 2.Sf3#
- 2.Rh5#
- 1...Rxe4
- 2.Sf3#
- 1...Rxa7
- 2.Sf3#
- 1...Sxf6
- 2.Bb8#
- 1...f3
- 2.Qxh2#
- 2.Qg3#
- 1...Rh3
- 2.Sxd7#
- 1...Sc5
- 2.Sf3#
- 2.Bb8#
- 1...Sb6
- 2.Sf3#
- 2.Bb8#
- 1...Sb8
- 2.Sf3#
- 2.Bxb8#
- 1...Sf8
- 2.Sf3#
- 2.Bb8#
- 1...Bxg2!
- threat
- 1.Qxa4?
- threat
- 2.Sxd7#
- 2.Bd4#
- 2.Qd4#
- 1...Bxe4
- 2.Bd4#
- 2.Qd4#
- 2.Qxe4#
- 1...Sxf6
- 2.Bb8#
- 2.Qd4#
- 1...Rd2
- 2.Sxd7#
- 2.Rh5#
- 1...Sc5
- 2.Bb8#
- 2.Qd4#
- 1...Sb6
- 2.Bb8#
- 2.Qd4#
- 1...Sb8
- 2.Bd4#
- 2.Bxb8#
- 2.Qd4#
- 1...Sf8
- 2.Bd4#
- 2.Bb8#
- 2.Qd4#
- 1...f3!
- threat
- 1.d6?
- threat
- 2.Qd5#
- 2.Qe6#
- 1...Rhxa2
- 2.Rh5#
- 1...Raxa2
- 2.Bd4#
- 1...Bxe4
- 2.Sxd7#
- 2.Qe6#
- 1...Sxf6
- 2.Qe6#
- 1...f3
- 2.Qxh2#
- 1...Rd2
- 2.Rh5#
- 2.Qe6#
- 1...Rd4
- 2.Bxd4#
- 2.Qe6#
- 2.cxd4#
- 1...Ra5
- 2.Bd4#
- 2.Qe6#
- 1...Sc5
- 2.Qd5#
- 1...Sb6
- 2.Qe6#
- 1...Sf8
- 2.Qd5#
- 1...Rc4!
- threat
- 1.Bxh1?
- Keys
- 1.Qe2!
- threat
- 2.Sxd7#
- 1...Rxe2
- 2.Rh5#
- 1...Rxe4
- 2.Bd4#
- 1...Rxa7
- 2.Bg2#
- 1...Bxe4
- 2.Sf3#
- 1...Sxf6
- 2.Bb8#
- 1...f3
- 2.Qxh2#
- 1...Sc5
- 2.Bb8#
- 1...Sb6
- 2.Bb8#
- 1...Sb8
- 2.Bxb8#
- 1...Sf8
- 2.Bb8#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- R(b);N_GUARD,XQ(B)::R(H)
- R(b);N_GUARD::R(H)
- R(b);N_GUARD::R(H),XR(b)
- R(c);N_GUARD,XQ(B)::B(I)
- R(c);N_GUARD::B(I)
- R(c);SBLOCK,XB(D)::S(G),XS(f)
- B(a);N_GUARD::S(A),XB(a)
- B(a);SBLOCK,XB(D)::S(G),XS(f)
- S(f);N_GUARD::B(I)
- S(f);N_GUARD::B(I),XS(f)
- P(d);OGATEB::QAB(B),XR(b)
- Tries
- Try
- B(D);XB(a)
- Threat
- DUALS(2)
- Vars
- R(b);XB(D)::S(A)
- R(c);XB(I)::S(A)
- S(f);N_GUARD,XS(G)::B(I)
- R(b);::S(G),XS(f)
- Refutation
- P(d);
- Try
- B(D);
- Threat
- S(G),XS(f)
- Vars
- B(a);XB(D)::S(A),XB(a)
- S(f);N_GUARD,XS(G)::B(I)
- S(f);N_GUARD::B(I)
- S(f);N_GUARD::B(I),XS(f)
- Refutation
- R(c);XB(I)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- R(c);N_GUARD,XB(I)::QAB1(B)
- S(f);N_GUARD,XS(G)::B(I)
- P(d);::QAB(B)
- S(f);N_GUARD::B(I)
- Refutation
- R(c);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(c);XB(D)::S(A)
- R(c);XB(I)::S(A)
- S(f);N_GUARD,XS(G)::B(I)
- R(b);::S(G),XS(f)
- Refutation
- B(a);XQ(B)
- Try
- Q(B);XR(c)
- Threat
- DUALS(3)
- Refutation
- P(d);
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XQ(B)::R(H)
- R(c);N_GUARD,XQ(B)::B(I)
- S(f);XS(G)::QAR1(B)
- P(d);OGATEB::QAB(B),XR(b)
- S(f);::QAR1(B)
- Refutation
- R(c);
- Try
- Actual
- Q(B);
- Threat
- S(G),XS(f)
- Vars
- R(b);N_GUARD,XQ(B)::R(H)
- R(c);N_GUARD,P_SPINR(c),XB(D)::B(I)
- R(c);N_GUARD,XB(I)::QAR(B)+B(D)
- B(a);N_GUARD,P_SPINB(a),XB(D)::S(A)
- S(f);N_GUARD,XS(G)::B(I)
- P(d);OGATEB::QAB(B),XR(b)
- S(f);N_GUARD::B(I)
- S(f);N_GUARD::B(I),XS(f)
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).