MESON Chess Problem Database
Problem Display
PID: 265703 (3K2b1/p1PB4/N1p4p/3k2pR/R2b1PN1/B2P4/2r1P3/2Q1n2q w - - 0 1)
Uris, Jose
Uris-60 JT (Problemas), 2022
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.e4#
- 1...Qg1
- 2.e4#
- 1...Qh2
- 2.e4#
- 1...Qh3
- 2.e4#
- 1...Qh4
- 2.e4#
- 1...Qxh5
- 2.e4#
- 1...Ra2
- 2.Qc4#
- 2.Qxc6#
- 1...Rb2
- 2.Qc4#
- 2.Qxc6#
- 1...Rd2
- 2.Qc4#
- 2.Qxc6#
- 1...Rxe2
- 2.Qc4#
- 2.Qxc6#
- 1...Rc4
- 2.Qxc4#
- 1...Ba1
- 2.Se3#
- 1...Bg1
- 2.Sf6#
- 1...Bb2
- 2.Se3#
- 1...Bf2
- 2.Sf6#
- 1...Bc3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 2.Sf6#
- 1...Be5
- 2.Se3#
- 1...Bb6
- 2.Sf6#
- 1...Bf6+
- 2.Sxf6#
- 1...Bg7
- 2.Se3#
- 1...Bh8
- 2.Se3#
- 1...Sg2
- 2.e4#
- 1...Sxd3
- 2.Qxh1#
- 1...Sf3
- 2.e4#
- 1...Qf1
- Tries
- 1.Be7?
- threat
- 2.Sb4#
- 1...Sxd3
- 2.Qxh1#
- 1...Rb2
- 2.Qc4#
- 2.Qxc6#
- 1...Rc4
- 2.Qxc4#
- 1...Ba1
- 2.Se3#
- 1...Bg1
- 2.Sf6#
- 1...Bb2
- 2.Se3#
- 1...Bf2
- 2.Sf6#
- 1...Bc3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 2.Sf6#
- 1...Bc5
- 2.Sf6#
- 1...Be5
- 2.Se3#
- 1...Bb6
- 2.Sf6#
- 1...Bf6
- 2.Se3#
- 2.Sxf6#
- 1...Bg7
- 2.Se3#
- 1...Bh8
- 2.Se3#
- 1...c5!
- threat
- 1.Bf8?
- threat
- 2.Sb4#
- 1...Bf6+
- 2.Sxf6#
- 1...Sxd3
- 2.Qxh1#
- 1...Rb2
- 2.Qc4#
- 2.Qxc6#
- 1...Rc4
- 2.Qxc4#
- 1...Ba1
- 2.Se3#
- 1...Bg1
- 2.Sf6#
- 1...Bb2
- 2.Se3#
- 1...Bf2
- 2.Sf6#
- 1...Bc3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 2.Sf6#
- 1...Bc5
- 2.Sf6#
- 1...Be5
- 2.Se3#
- 1...Bb6
- 2.Sf6#
- 1...Bg7
- 2.Se3#
- 1...Bh8
- 2.Se3#
- 1...c5!
- threat
- 1.Rxg5+?
- 1...Be5
- 2.Se3#
- 2.Sf6#
- 2.Rxe5#
- 1...hxg5!
- 1...Be5
- 1.c8S?
- threat
- 2.Sc7#
- 2.Se7#
- 1...Bf6+
- 2.Sxf6#
- 1...Rxe2
- 2.Sb4#
- 2.Sc7#
- 2.Qc4#
- 2.Qxc6#
- 1...Sxd3
- 2.Qxh1#
- 1...c5
- 2.Sc7#
- 1...Qe4
- 2.Sc7#
- 1...Rc5
- 2.Sb4#
- 2.Sc7#
- 1...Bc5
- 2.Sf6#
- 2.Sc7#
- 1...Be5
- 2.Se3#
- 2.Se7#
- 1...Bb6+!
- threat
- 1.Be7?
- Keys
- 1.Rxh6!
- threat
- 2.Rd6#
- 1...Bf6+
- 2.Sxf6#
- 1...Qxh6
- 2.e4#
- 1...Sxd3
- 2.Qxh1#
- 1...c5
- 2.Bc6#
- 1...Rc5
- 2.Sb4#
- 1...Bc5
- 2.Bxc6#
- 1...Be5
- 2.Se3#
- 1...Be6
- 2.Bxe6#
- threat
- 1.Rxh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 17
- Sets
- Q(b);N_GUARD::P(B)
- Q(b);N_GUARD,N_SPINP(f),XR(H)::P(B)
- R(c);OGATE::QAB1(A),XR(c)
- B(d);N_GUARD::S(G)
- B(d);N_GUARD,N_SPINP(f)::S(G)
- B(d);N_GUARD,P_PINP(J)::S(G)
- B(d);CHECK,N_GUARD::S(G),XB(d)
- S(a);S_CUTQ(b)::P(B)
- S(a);OGATE,XP(D)::QAB(A),XQ(b)
- Tries
- Try
- B(C);
- Threat
- S(I)
- Vars
- S(a);OGATE,XP(D)::QAB(A),XQ(b)
- R(c);OGATE::QAB1(A),XR(c)
- B(d);N_GUARD::S(G)
- B(d);N_GUARD,N_SPINP(f)::S(G)
- B(d);N_GUARD,P_PINP(J)::S(G)
- Refutation
- P(g);
- Try
- B(C);
- Threat
- S(I)
- Vars
- B(d);CHECK,N_GUARD::S(G),XB(d)
- S(a);OGATE,XP(D)::QAB(A),XQ(b)
- R(c);OGATE::QAB1(A),XR(c)
- B(d);N_GUARD::S(G)
- B(d);N_GUARD,N_SPINP(f)::S(G)
- B(d);N_GUARD,P_PINP(J)::S(G)
- Refutation
- P(g);
- Try
- R(H);CHECK,XP(f)
- Refutation
- P(h);XR(H)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,N_GUARD::S(G),XB(d)
- S(a);OGATE,XP(D)::QAB(A),XQ(b)
- P(g);::S(I)
- Q(b);::S(I)
- Refutation
- B(d);CHECK
- Try
- Actual
- R(H);N_PINP(f),XP(h)
- Threat
- R1(H)
- Vars
- B(d);CHECK,N_GUARD::S(G),XB(d)
- Q(b);N_GUARD,XR(H)::P(B)
- S(a);OGATE,XP(D)::QAB(A),XQ(b)
- P(g);S_CUTR(c)::B(K)
- R(c);::S(I)
- B(d);S_CUTR(c)::B(K),XP(g)
- B(d);N_GUARD::S(G)
- B(j);N_GUARD::B(K),XB(j)
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).