MESON Chess Problem Database
Problem Display
PID: 275219 (2NBb3/p3pr1N/2P1p3/2kB1pp1/P4R1q/Kn2P3/1P4Q1/5nb1 w - - 0 1)
Burda, Josef
Peris-120 MT (Problemas), 2024
#2
11 + 12
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Rc4#
- 1...Qf2
- 2.Rc4#
- 1...Qg3
- 2.Rc4#
- 1...Qh1
- 2.Rc4#
- 1...Qh2
- 2.Rc4#
- 1...Qh3
- 2.Rc4#
- 1...Qh5
- 2.Rc4#
- 1...Qh6
- 2.Rc4#
- 1...Qxh7
- 2.Rc4#
- 1...Rf6
- 2.Bxe7#
- 1...Rf8
- 2.Bxe7#
- 1...Sa1
- 2.b4#
- 1...Sc1
- 2.b4#
- 1...Sd2
- 2.b4#
- 1...Sd4
- 2.b4#
- 1...Sa5
- 2.b4#
- 1...g4
- 2.Rc4#
- 1...exd5
- 2.Qc2#
- 1...a5
- 2.Bb6#
- 1...a6
- 2.Bb6#
- 1...Qe1
- Tries
- 1.Sxg5?
- threat
- 2.Sxe6#
- 1...Qxg5
- 2.Rc4#
- 1...exd5
- 2.Qc2#
- 1...Qh6
- 2.Rc4#
- 1...Rf6
- 2.Bxe7#
- 1...Sd4
- 2.b4#
- 1...e5
- 2.Se6#
- 1...Bd7!
- threat
- 1.Bxe6?
- threat
- 2.Qd5#
- 2.Qc2#
- 1...Qxf4
- 2.Qd5#
- 1...Bxc6
- 2.Qc2#
- 1...Qe1
- 2.Rc4#
- 2.Qd5#
- 1...Qf2
- 2.Rc4#
- 2.Qd5#
- 1...Qh1
- 2.Rc4#
- 2.Qc2#
- 1...Qh2
- 2.Rc4#
- 2.Qd5#
- 1...Bf2
- 2.Qd5#
- 1...Sfd2
- 2.Qd5#
- 1...Sa1
- 2.Qd5#
- 2.b4#
- 1...Sbd2
- 2.Qd5#
- 2.b4#
- 1...Sd4
- 2.Qd5#
- 2.b4#
- 1...Sa5
- 2.Qd5#
- 2.b4#
- 1...Sxe3!
- threat
- 1.Ba5?
- threat
- 2.Bb4#
- 1...Sxa5
- 2.b4#
- 1...exd5
- 2.Qc2#
- 1...Qe1
- 2.Rc4#
- 1...Qxf4!
- threat
- 1.Qxf1?
- threat
- 2.Qc4#
- 2.Qb5#
- 1...Qxf4
- 2.Qb5#
- 1...Bxc6
- 2.Qc4#
- 1...exd5
- 2.Qb5#
- 1...Sd2
- 2.Qb5#
- 1...Sd4
- 2.Qc4#
- 1...Sa5
- 2.Qb5#
- 1...a6
- 2.Qc4#
- 1...Kxd5!
- threat
- 1.Qe2?
- threat
- 2.Qc4#
- 2.Qb5#
- 1...Qxf4
- 2.Qb5#
- 1...Bxc6
- 2.Qc4#
- 1...Sxe3
- 2.Qb5#
- 1...exd5
- 2.Qb5#
- 2.Qc2#
- 1...Sfd2
- 2.Qb5#
- 1...Sbd2
- 2.Qb5#
- 1...Sd4
- 2.Qc4#
- 1...Sa5
- 2.Qb5#
- 1...a6
- 2.Qc4#
- 1...Kxd5!
- threat
- 1.Sxg5?
- Keys
- 1.Sf8!
- threat
- 2.Sxe6#
- 1...Rxf8
- 2.Bxe7#
- 1...exd5
- 2.Qc2#
- 1...Qh6
- 2.Rc4#
- 1...Rf6
- 2.Bxe7#
- 1...Bd7
- 2.Sxd7#
- 1...Sd4
- 2.b4#
- 1...e5
- 2.Se6#
- threat
- 1.Sf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 15
- Sets
- Q(d);N_GUARD::R1(F)
- Q(d);N_GUARD,XS(I)::R1(F)
- R(k);N_GUARD::B(K),XP(j)
- S(c);OGATE::P(A)
- P(g);S_CUTQ(d)::R1(F)
- P(h);SBLOCK,XB(G)::QAR(B)
- P(i);N_GUARD::B(K)
- Tries
- Try
- S(I);XP(g)
- Threat
- S(I),XP(h)
- Vars
- Q(d);N_GUARD,XS(I)::R1(F)
- P(h);SBLOCK,XB(G)::QAR(B)
- Q(d);N_GUARD::R1(F)
- R(k);N_GUARD::B(K),XP(j)
- S(c);OGATE::P(A)
- P(h);::S(I)
- Refutation
- B(l);
- Try
- B(G);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(d);XR(F)::QAR1(B)
- B(l);SBLOCK,XP(H)::QAR(B)
- B(b);::QAR1(B)
- S(a);::QAR1(B)
- Refutation
- S(a);XP(D)
- Try
- B(K);
- Threat
- B(K)
- Vars
- S(c);OGATE,XB(K)::P(A)
- P(h);SBLOCK,XB(G)::QAR(B)
- Q(d);N_GUARD::R1(F)
- Refutation
- Q(d);XR(F)
- Try
- Q(B);XS(a)
- Threat
- DUALS(2)
- Vars
- Q(d);XR(F)::QAR1(B)
- B(l);XP(H)::QAR1(B)
- P(h);SBLOCK,XB(G)::QAR1(B)
- S(c);::QAR1(B)
- P(i);::QAR1(B)
- Refutation
- K(e);P-FLIGHT,XB(G)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(d);XR(F)::QAR1(B)
- B(l);XP(H)::QAR1(B)
- S(a);XP(D)::QAR1(B)
- S(a);::QAR1(B)
- S(c);::QAR1(B)
- P(i);::QAR1(B)
- Refutation
- K(e);P-FLIGHT,XB(G)
- Try
- Actual
- S(I);
- Threat
- S(I),XP(h)
- Vars
- R(k);N_GUARD,XS(I)::B(K),XP(j)
- P(h);SBLOCK,XB(G)::QAR(B)
- Q(d);N_GUARD::R1(F)
- R(k);N_GUARD::B(K),XP(j)
- B(l);N_GUARD::S(I),XB(l)
- S(c);OGATE::P(A)
- P(h);::S(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).