MESON Chess Problem Database
Problem Display
PID: 259709 (4R1N1/p3rB2/K1pBP1n1/1p1k4/1Q4n1/1PP1bPP1/1p6/4R2r w - - 0 1)
Armeni, Alberto
Tolosa-100 MT (Problemas), 2016
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxe6
- 2.Bxe6#
- 1...Rb7
- 2.e7#
- 1...Rc7
- 2.e7#
- 1...Rd7
- 2.exd7#
- 2.e7#
- 1...Rxe8
- 2.e7#
- 1...Bc1
- 2.Qc5#
- 2.Qd4#
- 1...Bd2
- 2.Qc5#
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Bf4
- 2.Qc5#
- 2.Qd4#
- 1...Bc5
- 2.Qxc5#
- 1...Bg5
- 2.Qc5#
- 2.Qd4#
- 1...Bh6
- 2.Qc5#
- 2.Qd4#
- 1...Sf2
- 2.Sf6#
- 1...Sh2
- 2.Sf6#
- 1...S4e5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...S6e5
- 2.Sxe7#
- 1...Sf8
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Rxe6
- Tries
- 1.Bf4?
- threat
- 2.Qd6#
- 1...Bxf4
- 2.Qd4#
- 1...c5
- 2.Qe4#
- 1...Rd7
- 2.exd7#
- 2.e7#
- 1...Bc5
- 2.Qe4#
- 1...S4e5
- 2.Sf6#
- 1...S6e5
- 2.Sxe7#
- 1...Sxf4!
- threat
- 1.Bc7?
- threat
- 2.Qd6#
- 1...c5
- 2.Qe4#
- 1...Rd7
- 2.exd7#
- 2.e7#
- 1...Bf4
- 2.Qd4#
- 1...Bc5
- 2.Qe4#
- 1...Rxc7!
- threat
- 1.Bxe7?
- threat
- 2.Qd6#
- 2.Qe4#
- 1...Ke5
- 2.Qc5#
- 2.Qe4#
- 1...c5
- 2.Qe4#
- 1...b1Q
- 2.Qd6#
- 1...b1B
- 2.Qd6#
- 1...Bd4
- 2.Rd8#
- 2.Qd6#
- 2.Qxd4#
- 1...Bf4
- 2.Qc5#
- 2.Qd4#
- 2.Qe4#
- 1...Bc5
- 2.Qxc5#
- 2.Qe4#
- 1...Sf2
- 2.Qd6#
- 1...Sf6
- 2.Qd6#
- 1...Sxe7!
- threat
- 1.Bb8?
- threat
- 2.Qd6#
- 1...c5
- 2.Qe4#
- 1...Rd7
- 2.exd7#
- 2.e7#
- 1...Bf4
- 2.Qd4#
- 1...Bc5
- 2.Qe4#
- 1...Rc7!
- threat
- 1.Rd1+?
- 1...Bd2
- 2.Rxd2#
- 2.Qc5#
- 2.Qd4#
- 1...Bd4
- 2.Rxd4#
- 2.Qc5#
- 2.Qxd4#
- 1...Rxd1!
- 1...Bd2
- 1.Rxe3?
- threat
- 2.Rd3#
- 2.Qc5#
- 2.Qd4#
- 1...Sxe3
- 2.Sf6#
- 2.Qc5#
- 2.Qd4#
- 1...c5
- 2.Qxc5#
- 1...b1Q
- 2.Qc5#
- 2.Qd4#
- 1...b1B
- 2.Qc5#
- 2.Qd4#
- 1...Rd1
- 2.Qc5#
- 1...Sf2
- 2.Sf6#
- 2.Qc5#
- 2.Qd4#
- 1...S4e5
- 2.Sf6#
- 2.Qc5#
- 2.Qd4#
- 1...Sf4
- 2.Sxe7#
- 2.Qc5#
- 2.Qd4#
- 1...S6e5
- 2.Sxe7#
- 2.Qc5#
- 2.Qd4#
- 1...Ra1+!
- threat
- 1.Bf4?
- Keys
- 1.Be5!
- threat
- 2.Qd6#
- 1...Kxe5
- 2.Qc5#
- 1...S4xe5
- 2.Sf6#
- 1...S6xe5
- 2.Sxe7#
- 1...c5
- 2.Qe4#
- 1...Rd7
- 2.exd7#
- 1...Bc5
- 2.Qe4#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 13
- Sets
- R(j);OGATE,P_SPINR(j),XP(I)::B(J),XR(j)
- R(j);OGATE::B(J)+P(I)
- R(j);OGATE,XR(K)::B(J)+P(I)
- B(c);N_GUARD::QAR1(F),XB(c)
- S(d);N_GUARD::S(L)
- S(d);N_GUARD::S(L),XS(d)
- S(h);N_GUARD::S(L),XR(j)
- Tries
- Try
- B(H);
- Threat
- QAR1(F)
- Vars
- B(c);N_GUARD,XB(H)::QAR1(F)
- P(g);SBLOCK::QAB1(F)
- B(c);SBLOCK::QAB1(F)
- S(d);N_GUARD::S(L)
- S(h);N_GUARD::S(L),XR(j)
- Refutation
- S(h);XB(H)
- Try
- B(H);
- Threat
- QAR1(F)
- Vars
- P(g);SBLOCK::QAB1(F)
- B(c);N_GUARD::QAR1(F)
- B(c);SBLOCK::QAB1(F)
- Refutation
- R(j);XB(H)
- Try
- B(H);XR(j)
- Threat
- DUALS(2)
- Vars
- P(g);::QAB1(F)
- P(b);::QAR1(F)
- S(d);::QAR1(F)
- Refutation
- S(h);XB(H)
- Try
- B(H);
- Threat
- QAR1(F)
- Vars
- P(g);SBLOCK::QAB1(F)
- B(c);N_GUARD::QAR1(F)
- B(c);SBLOCK::QAB1(F)
- Refutation
- R(j);
- Try
- R(A);CHECK
- Refutation
- R(a);XR(A)
- Try
- R(A);XB(c)
- Threat
- DUALS(3)
- Vars
- P(g);::QAR1(F),XP(g)
- R(a);::QAR1(F)
- Refutation
- R(a);CHECK
- Try
- Actual
- B(H);
- Threat
- QAR1(F)
- Vars
- K(f);N_GUARD,P-FLIGHT,P_SPINB(c),XB(H)::QAR2(F)
- S(d);N_GUARD,SBLOCK,XB(H)::S(L)
- S(h);N_GUARD,SBLOCK,XB(H)::S(L),XR(j)
- P(g);SBLOCK::QAB1(F)
- R(j);OGATE::B(J)+P(I),XR(j)
- B(c);SBLOCK::QAB1(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).