MESON Chess Problem Database
Problem Display
PID: 204389 (5b2/1pQ4r/1K2NqRp/1Np2n1R/2P1kB1p/3pp2r/p5P1/3B1n2 w - - 0 1)
Puig y Puig, Esteban
Comm., Centurini/Guidelli MT, 1925
#2
10 + 14
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qc3
- 2.Sxc3#
- 1...Qe5
- 2.Qxe5#
- 1...Qg5
- 2.Sc3#
- 2.Qe5#
- 1...Qe7
- 2.Sc3#
- 2.Qe5#
- 1...Qd8
- 2.Sc3#
- 1...Qxe6+
- 2.Rxe6#
- 1...Qxg6
- 2.Sc3#
- 2.Qe5#
- 1...Qf7
- 2.Sc3#
- 2.Qe5#
- 1...Rh1
- 2.Bf3#
- 1...Rh2
- 2.Bf3#
- 1...Rf3
- 2.Bxf3#
- 2.gxf3#
- 1...Rh8
- 2.Qxb7#
- 1...Be7
- 2.Qxb7#
- 1...Bg7
- 2.Qxb7#
- 1...S1g3
- 2.Bf3#
- 1...S5g3
- 2.Bf3#
- 1...Sd4
- 2.Sc3#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Qxb7#
- 1...d2
- 2.Bc2#
- 1...Qc3
- Tries
- 1.Bg3?
- threat
- 2.Bf3#
- 2.Rg4#
- 2.Qf4#
- 1...Qxe6+
- 2.Rxe6#
- 1...Qxg6
- 2.Sc3#
- 2.Bf3#
- 2.Qf4#
- 2.Qe5#
- 1...Rxg3
- 2.Qf4#
- 1...Rxc7
- 2.Bf3#
- 2.Rg4#
- 1...d2
- 2.Bc2#
- 1...e2
- 2.Qf4#
- 1...Qe5
- 2.Bf3#
- 2.Qxe5#
- 1...Qg5
- 2.Sc3#
- 2.Bf3#
- 2.Qe5#
- 1...Qg7
- 2.Bf3#
- 2.Qf4#
- 1...Qd8
- 2.Sc3#
- 2.Bf3#
- 2.Rg4#
- 1...Rg7
- 2.Bf3#
- 2.Qf4#
- 1...Bd6
- 2.Bf3#
- 1...Sd2
- 2.Rg4#
- 2.Qf4#
- 1...Sh2
- 2.Qf4#
- 1...Sd4
- 2.Sc3#
- 1...Sd6
- 2.Sxc5#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Qxb7#
- 1...S5xg3!
- threat
- 1.Bg3?
- Keys
- 1.Rg4!
- threat
- 2.Bh2#
- 2.Bg3#
- 2.Be5#
- 2.Bg5#
- 2.Bd6#
- 2.Bxh6#
- 1...Qxe6+
- 2.Bd6#
- 1...Rxc7
- 2.Bh2#
- 2.Bg3#
- 2.Bd6#
- 2.Bxc7#
- 1...d2
- 2.Bc2#
- 1...Qe5
- 2.Bxe5#
- 2.Qxe5#
- 1...Qg5
- 2.Sc3#
- 2.Bxg5#
- 2.Qe5#
- 1...Qg7
- 2.Bg5#
- 1...Qg6
- 2.Sc3#
- 2.Bg5#
- 2.Qe5#
- 1...Rh2
- 2.Bf3#
- 2.Bxh2#
- 2.Bg3#
- 2.Be5#
- 2.Bg5#
- 2.Bd6#
- 2.Bxh6#
- 1...Rf3
- 2.Bxf3#
- 2.gxf3#
- 1...Rg3
- 2.Bxg3#
- 1...Rg7
- 2.Bg5#
- 1...Bd6
- 2.Bxd6#
- 1...Sh2
- 2.Bxh2#
- 1...S1g3
- 2.Bf3#
- 2.Bxg3#
- 2.Be5#
- 2.Bg5#
- 2.Bd6#
- 2.Bxh6#
- 1...S5g3
- 2.Bf3#
- 1...Sd4
- 2.Sc3#
- 1...Sd6
- 2.Sxc5#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Qxb7#
- 1...e2
- 2.Bc1#
- 2.Bd2#
- 2.Bg5#
- 2.Bxh6#
- threat
- 1.Rg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 9
- Sets
- Q(j);N_GUARD,N_PINS(H)::S(E),XQ(j)
- Q(j);N_GUARD,N_PINS(H)::QAR1(J),XQ(j)
- Q(j);N_GUARD,N_PINS(H),P_PINQ(J)::S(E)
- Q(j);CHECK,OGATE,XS(H)::R(I),XQ(j)
- R(e);N_GUARD::B(A)
- R(m);N_GUARD::QAB(J),XP(l)
- B(n);S_CUTR(m)::QAB(J),XP(l)
- S(a);S_CUTR(e)::B(A)
- S(i);S_CUTR(e)::B(A)
- S(i);S_CUTQ(j)::S(E)
- S(i);N_GUARD,S_CUTB(n)::S(E)
- S(i);S_CUTR(m)::QAB(J),XP(l)
- P(c);OGATEB::B(A)
- Tries
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- Q(j);CHECK,OGATE,XS(H)::R(I),XQ(j)
- R(e);XB(D)::QAR1(J)
- P(c);OGATEB::B(A)
- P(d);::QAR1(J)
- B(n);N_PINS(H)::B(A)
- S(a);::QAR1(J)
- S(i);S_CUTQ(j)::S(E)
- S(i);N_PINS(H)::S(H),XP(h)
- S(i);N_GUARD,S_CUTB(n)::S(E)
- S(i);S_CUTR(m)::QAB(J),XP(l)
- Refutation
- S(i);XB(D)
- Try
- Actual
- R(I);
- Threat
- DUALS(6)
- Vars
- Q(j);CHECK,XS(H)::R(I)+B(D)
- P(c);OGATEB::B(A)
- Q(j);N_PINS(H)::R(I)+B(D)
- R(e);::R(I)+B(D),XR(e)
- R(m);::R(I)+B(D)
- B(n);N_PINS(H)::R(I)+B(D),XB(n)
- S(a);::R(I)+B(D),XS(a)
- S(i);S_CUTR(e)::B(A)
- S(i);S_CUTQ(j)::S(E)
- S(i);N_PINS(H)::S(H),XP(h)
- S(i);N_GUARD,S_CUTB(n)::S(E)
- S(i);S_CUTR(m)::QAB(J),XP(l)
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).