MESON Chess Problem Database
Problem Display
PID: 265821 (2nR4/1N1n2p1/6R1/K2Bpk1P/7B/2p1P3/4P3/Qb2N3 w - - 0 1)
Uris, Miguel
Best Problems, 2022
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.Be6#
- 1...Sc5
- 2.Rf8#
- 1...Sdb6
- 2.Rf8#
- 1...Sf6
- 2.Rg5#
- 1...Sb8
- 2.Rf8#
- 1...Sf8
- 2.Rxf8#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...Be4
- Tries
- 1.Sc2?
- 1...Bxc2
- 2.Qf1#
- 1...Ba2
- 2.Qf1#
- 1...Sc5
- 2.Rf8#
- 1...Sdb6
- 2.Rf8#
- 1...Sf6
- 2.Rg5#
- 1...Sb8
- 2.Rf8#
- 1...Sf8
- 2.Rxf8#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...e4!
- 1...Bxc2
- 1.Sg2?
- 1...Ba2
- 2.Qf1#
- 2.e4#
- 1...Bc2
- 2.Qf1#
- 1...Bd3
- 2.Qf1#
- 1...Be4
- 2.Be6#
- 1...Sc5
- 2.Rf8#
- 1...Sdb6
- 2.Rf8#
- 1...Sf6
- 2.Rg5#
- 1...Sb8
- 2.Rf8#
- 1...Sf8
- 2.Rxf8#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...c2
- 2.e4#
- 1...e4!
- 1...Ba2
- 1.Sc5?
- threat
- 2.Be6#
- 1...Sxc5
- 2.Rf8#
- 1...Ba2
- 2.Be4#
- 1...Sf8
- 2.Rxf8#
- 1...e4!
- threat
- 1.Be7?
- threat
- 2.Rg5#
- 1...Sxe7
- 2.Sd6#
- 1...Sf6!
- threat
- 1.Rxd7?
- threat
- 2.Rf7#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...e4!
- threat
- 1.Rf8+?
- 1...Sf6
- 2.Rg5#
- 1...Sxf8!
- 1...Sf6
- 1.Qxb1+?
- 1...e4
- 2.Qxe4#
- 1...c2!
- 1...e4
- 1.Qa4?
- threat
- 2.Be6#
- 2.Qxd7#
- 2.Qg4#
- 1...Ba2
- 2.Be4#
- 2.Qxd7#
- 2.Qe4#
- 2.Qg4#
- 1...Be4
- 2.Bxe4#
- 2.Be6#
- 2.Qxd7#
- 2.Qxe4#
- 1...Sc5
- 2.Rf8#
- 2.Qg4#
- 1...Sdb6
- 2.Be6#
- 2.Rf8#
- 2.Qg4#
- 1...Sf6
- 2.Rg5#
- 1...Sb8
- 2.Be6#
- 2.Rf8#
- 2.Qg4#
- 1...Sf8
- 2.Rxf8#
- 2.Qg4#
- 1...Scb6
- 2.Sd6#
- 2.Be6#
- 2.Qg4#
- 1...e4!
- threat
- 1.e4+?
- 1...Kf4
- 2.Sg2#
- 1...Bxe4!
- 1...Kf4
- 1.Sc2?
- Keys
- 1.Sd3!
- threat
- 2.e4#
- 1...Bxd3
- 2.Qf1#
- 1...Sc5
- 2.Rf8#
- 1...Sf6
- 2.Rg5#
- 1...Sd6
- 2.Sxd6#
- 1...e4
- 2.Be6#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- B(a);SBLOCK::B(G)
- S(e);N_GUARD::R(K)
- S(e);SBLOCK::R1(I)
- S(e);N_GUARD::R(K),XS(e)
- S(g);N_GUARD::S(J)
- S(g);N_GUARD::S(J),XS(g)
- Tries
- Try
- S(B);
- Vars
- B(a);OGATE,XS(B)::QAR(A)
- B(a);OGATE::QAR(A)
- S(e);N_GUARD::R(K)
- S(e);SBLOCK::R1(I)
- S(e);N_GUARD::R(K),XS(e)
- S(g);N_GUARD::S(J)
- S(g);N_GUARD::S(J),XS(g)
- Refutation
- P(c);
- Try
- S(B);
- Vars
- B(a);OGATE::QAR(A)
- B(a);SBLOCK::B(G)
- S(e);N_GUARD::R(K)
- S(e);SBLOCK::R1(I)
- S(e);N_GUARD::R(K),XS(e)
- S(g);N_GUARD::S(J)
- S(g);N_GUARD::S(J),XS(g)
- P(b);S_CUTB(a)::P(D)
- Refutation
- P(c);
- Try
- S(J);
- Threat
- B(G)
- Vars
- S(e);N_GUARD,XS(J)::R(K)
- B(a);N_GUARD::B(G)
- S(e);N_GUARD::R(K),XS(e)
- Refutation
- P(c);
- Try
- B(E);
- Threat
- R1(I)
- Vars
- S(g);N_GUARD,XB(E)::S(J)
- Refutation
- S(e);
- Try
- R(K);XS(e)
- Threat
- R(K)
- Vars
- S(g);N_GUARD::S(J),XS(g)
- S(g);N_GUARD::S(J)
- Refutation
- P(c);
- Try
- R(K);CHECK
- Vars
- S(e);P_SPINS(e)::R1(I)
- Refutation
- S(e);XR(K)
- Try
- Q(A);CHECK,XB(a)
- Vars
- P(c);P_SPINP(c)::QAB1(A),XP(c)
- Refutation
- P(b);P_SPINP(b)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- S(e);SBLOCK::R1(I)
- Refutation
- P(c);
- Try
- P(D);CHECK
- Vars
- K(d);P-FLIGHT,S_CUTB(a)::S(B)
- Refutation
- B(a);XP(D)
- Try
- Actual
- S(B);
- Threat
- P(D)
- Vars
- B(a);OGATE,XS(B)::QAR(A)
- S(e);N_GUARD::R(K)
- S(e);SBLOCK::R1(I)
- S(g);N_GUARD::S(J),XS(g)
- P(c);SBLOCK::B(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).