MESON Chess Problem Database
Problem Display
PID: 138633 (8/Bpp2QNp/1rb2Pp1/4p3/4kn1R/p1pR1p1B/KnP5/3Nb3 w - - 0 1)
Paluzie y Lucena, Jozefo
Good Companions (December), 1916
#2
10 + 14
| 6490 | yacpdb | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Re3#
- 1...Rb4
- 2.Re3#
- 1...Rb5
- 2.Re3#
- 1...Ra6
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 2.Sxc3#
- 1...Bg3
- 2.Sxc3#
- 1...Bxh4
- 2.Sxc3#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd5+
- 2.Qxd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sxd1
- 2.Qc4#
- 1...Sxd3
- 2.Qc4#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...f2
- 2.Bg2#
- 1...g5
- 2.Bf5#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...Rb3
- Tries
- 1.Ka1?
- 1...Bxh4
- 2.Sxc3#
- 1...Sxd1
- 2.Qc4#
- 1...Sxd3
- 2.Qc4#
- 1...Rb3
- 2.Re3#
- 1...Rb4
- 2.Re3#
- 1...Rb5
- 2.Re3#
- 1...Ra6
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 2.Sxc3#
- 1...Bg3
- 2.Sxc3#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...f2
- 2.Bg2#
- 1...g5
- 2.Bf5#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...a2!
- 1...Bxh4
- 1.Sf5?
- threat
- 2.Re3#
- 1...Bd5+
- 2.Qxd5#
- 1...Sxd1
- 2.Qc4#
- 1...Sxd3
- 2.Qc4#
- 1...Bd2
- 2.Sf2#
- 2.Sg3#
- 1...Bf2
- 2.Sxf2#
- 2.Sxc3#
- 1...Sc4
- 2.Qxc4#
- 1...gxf5!
- threat
- 1.Se8?
- 1...Bd5+
- 2.Qxd5#
- 1...Bxh4
- 2.Sxc3#
- 1...Bxe8
- 2.Qd5#
- 1...Sxd1
- 2.Qc4#
- 1...Sxd3
- 2.Qc4#
- 1...Rb3
- 2.Re3#
- 1...Rb4
- 2.Re3#
- 1...Rb5
- 2.Re3#
- 1...Ra6
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 2.Sxc3#
- 1...Bg3
- 2.Sxc3#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd7
- 2.Qd5#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...g5
- 2.Qxh7#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...f2!
- 1...Bd5+
- 1.Bf1?
- 1...Bd5+
- 2.Qxd5#
- 1...Bxh4
- 2.Sxc3#
- 1...Sxd1
- 2.Qc4#
- 1...Sxd3
- 2.Qc4#
- 1...Rb3
- 2.Re3#
- 1...Rb4
- 2.Re3#
- 1...Rb5
- 2.Re3#
- 1...Ra6
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 2.Sxc3#
- 1...Bg3
- 2.Sxc3#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...f2
- 2.Bg2#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...g5!
- 1...Bd5+
- 1.Bg2?
- threat
- 2.Bxf3#
- 1...Bd5+
- 2.Qxd5#
- 1...Sxd3
- 2.Qc4#
- 1...fxg2!
- threat
- 1.Bg4?
- threat
- 2.Bxf3#
- 1...Sbxd3
- 2.Qc4#
- 1...Sfxd3
- 2.Bf5#
- 1...f2
- 2.Bf3#
- 1...Bd5+!
- threat
- 1.Bd7?
- 1...Bd5+
- 2.Qxd5#
- 1...Bxh4
- 2.Sxc3#
- 1...Bxd7
- 2.Qd5#
- 1...Sxd1
- 2.Qc4#
- 1...Sxd3
- 2.Qc4#
- 1...Rb3
- 2.Re3#
- 1...Rb4
- 2.Re3#
- 1...Rb5
- 2.Re3#
- 1...Ra6
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 2.Sxc3#
- 1...Bg3
- 2.Sxc3#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...g5
- 2.Bf5#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...f2!
- 1...Bd5+
- 1.Bc8?
- 1...Bd5+
- 2.Qxd5#
- 1...Bxh4
- 2.Sxc3#
- 1...Sxd1
- 2.Qc4#
- 1...Sxd3
- 2.Qc4#
- 1...Rb3
- 2.Re3#
- 1...Rb4
- 2.Re3#
- 1...Rb5
- 2.Re3#
- 1...Ra6
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 2.Sxc3#
- 1...Bg3
- 2.Sxc3#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...g5
- 2.Bf5#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...f2!
- 1...Bd5+
- 1.Bxb6?
- threat
- 2.Re3#
- 1...Bd5+
- 2.Qxd5#
- 1...Sxd1
- 2.Qc4#
- 1...Sxd3
- 2.Qc4#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 2.Sxc3#
- 1...Sc4
- 2.Qxc4#
- 1...cxb6!
- threat
- 1.Rd4+?
- 1...exd4
- 2.Qe6#
- 1...Kxd4!
- 1...exd4
- 1.Rxf4+?
- 1...exf4
- 2.Qe6#
- 2.Qe7#
- 1...Kxf4!
- 1...exf4
- 1.Rg4?
- 1...Bd5+
- 2.Qxd5#
- 1...Sxd1
- 2.Qc4#
- 1...Sxd3
- 2.Qc4#
- 1...f2
- 2.Bg2#
- 1...Rb3
- 2.Re3#
- 1...Rb4
- 2.Re3#
- 1...Rb5
- 2.Re3#
- 1...Ra6
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 2.Sxc3#
- 1...Bg3
- 2.Sxc3#
- 1...Bh4
- 2.Sxc3#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...h5
- 2.Qxg6#
- 1...h6
- 2.Qxg6#
- 1...g5!
- 1...Bd5+
- 1.Ka1?
- Keys
- 1.Sh5!
- 1...Bd5+
- 2.Qxd5#
- 1...Bxh4
- 2.Sxc3#
- 1...Sxd1
- 2.Qc4#
- 1...Sxd3
- 2.Qc4#
- 1...gxh5
- 2.Qxh7#
- 1...Rb3
- 2.Re3#
- 1...Rb4
- 2.Re3#
- 1...Rb5
- 2.Re3#
- 1...Ra6
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 2.Sg3#
- 1...Bf2
- 2.Sxf2#
- 2.Sxc3#
- 1...Bg3
- 2.Sxc3#
- 2.Sxg3#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...f2
- 2.Sg3#
- 1...g5
- 2.Qxh7#
- 1...h6
- 2.Qxg6#
- 1...Bd5+
- 1.Sh5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(i);::R1(D)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XP(d)
- B(a);N_GUARD,N_SPINS(g),XR(F)::S(A),XP(d)
- B(j);N_GUARD::QAB1(I)
- B(j);CHECK,N_GUARD::QAB1(I),XB(j)
- S(b);N_GUARD,XS(A)::QAR2(I)
- S(b);N_GUARD,XR(D)::QAR2(I)
- S(b);N_GUARD::QAR2(I)
- S(b);N_GUARD::QAR2(I),XS(b)
- P(e);OGATEB::B(E)
- P(k);N_GUARD::B(E)
- P(n);N_GUARD::QAB(I),XP(k)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- B(a);N_GUARD,N_SPINS(g),XR(F)::S(A),XP(d)
- S(b);N_GUARD,XS(A)::QAR2(I)
- S(b);N_GUARD,XR(D)::QAR2(I)
- R(i);::R1(D)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XP(d)
- B(j);N_GUARD::QAB1(I)
- B(j);N_GUARD::QAB1(I),XB(j)
- S(b);N_GUARD::QAR2(I)
- S(b);N_GUARD::QAR2(I),XS(b)
- P(e);OGATEB::B(E)
- P(k);N_GUARD::B(E)
- P(n);N_GUARD::QAB(I),XP(k)
- Refutation
- P(c);
- Try
- S(J);
- Threat
- R1(D)
- Vars
- B(j);CHECK,N_GUARD::QAB1(I),XB(j)
- S(b);N_GUARD,XS(A)::QAR2(I)
- S(b);N_GUARD,XR(D)::QAR2(I)
- S(b);N_GUARD::QAR2(I),XS(b)
- Refutation
- P(k);XS(J)
- Try
- S(J);
- Vars
- B(j);CHECK,N_GUARD::QAB1(I),XB(j)
- B(a);N_GUARD,N_SPINS(g),XR(F)::S(A),XP(d)
- B(j);N_GUARD,XS(J)::QAB1(I)
- S(b);N_GUARD,XS(A)::QAR2(I)
- S(b);N_GUARD,XR(D)::QAR2(I)
- R(i);::R1(D)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XP(d)
- B(j);N_GUARD::QAB1(I)
- S(b);N_GUARD::QAR2(I)
- S(b);N_GUARD::QAR2(I),XS(b)
- P(k);OGATEB::QAB(I),XP(n)
- P(n);N_GUARD::QAB(I),XP(k)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- B(j);CHECK,N_GUARD::QAB1(I),XB(j)
- B(a);N_GUARD,N_SPINS(g),XR(F)::S(A),XP(d)
- S(b);N_GUARD,XS(A)::QAR2(I)
- S(b);N_GUARD,XR(D)::QAR2(I)
- R(i);::R1(D)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XP(d)
- B(j);N_GUARD::QAB1(I)
- S(b);N_GUARD::QAR2(I)
- S(b);N_GUARD::QAR2(I),XS(b)
- P(e);OGATEB::B(E)
- P(n);N_GUARD::QAB(I),XP(k)
- Refutation
- P(k);
- Try
- B(E);P_PINP(e)
- Threat
- B(E),XP(e)
- Vars
- B(j);CHECK,N_GUARD::QAB1(I),XB(j)
- S(b);N_GUARD,XR(D)::QAR2(I)
- Refutation
- P(e);N_SPINP(e),XB(E)
- Try
- B(E);N_PINS(g)
- Threat
- B(E),XP(e)
- Vars
- S(b);N_GUARD,XR(D)::QAR2(I)
- S(g);XR(D)::R(F)+B(E),DCHECK
- P(e);::B(E)
- Refutation
- B(j);CHECK
- Try
- B(E);
- Vars
- B(j);CHECK,N_GUARD::QAB1(I),XB(j)
- B(a);N_GUARD,N_SPINS(g),XR(F)::S(A),XP(d)
- B(j);N_GUARD,XB(E)::QAB1(I)
- S(b);N_GUARD,XS(A)::QAR2(I)
- S(b);N_GUARD,XR(D)::QAR2(I)
- R(i);::R1(D)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XP(d)
- B(j);N_GUARD::QAB1(I)
- S(b);N_GUARD::QAR2(I)
- S(b);N_GUARD::QAR2(I),XS(b)
- P(k);N_GUARD::B(E)
- P(n);N_GUARD::QAB(I),XP(k)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- B(j);CHECK,N_GUARD::QAB1(I),XB(j)
- B(a);N_GUARD,N_SPINS(g),XR(F)::S(A),XP(d)
- S(b);N_GUARD,XS(A)::QAR2(I)
- S(b);N_GUARD,XR(D)::QAR2(I)
- R(i);::R1(D)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XP(d)
- B(j);N_GUARD::QAB1(I)
- S(b);N_GUARD::QAR2(I)
- S(b);N_GUARD::QAR2(I),XS(b)
- P(k);N_GUARD::B(E)
- P(n);N_GUARD::QAB(I),XP(k)
- Refutation
- P(e);
- Try
- B(H);XR(i)
- Threat
- R1(D)
- Vars
- B(j);CHECK,N_GUARD::QAB1(I),XB(j)
- S(b);N_GUARD,XS(A)::QAR2(I)
- S(b);N_GUARD,XR(D)::QAR2(I)
- B(a);N_GUARD::S(A)
- S(b);N_GUARD::QAR2(I),XS(b)
- Refutation
- P(m);XB(H)
- Try
- R(D);CHECK
- Vars
- P(h);SBLOCK,XR(D)::QAR2(I)
- Refutation
- K(f);P-FLIGHT,P_SPINR(i),XR(D)
- Try
- R(F);CHECK,XS(g)
- Refutation
- K(f);P-FLIGHT,XR(F)
- Try
- R(F);
- Vars
- B(j);CHECK,N_GUARD::QAB1(I),XB(j)
- S(b);N_GUARD,XS(A)::QAR2(I)
- S(b);N_GUARD,XR(D)::QAR2(I)
- P(e);OGATEB::B(E)
- R(i);::R1(D)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XP(d)
- B(j);N_GUARD::QAB1(I)
- S(b);N_GUARD::QAR2(I)
- S(b);N_GUARD::QAR2(I),XS(b)
- P(n);N_GUARD::QAB(I),XP(k)
- Refutation
- P(k);
- Try
- Actual
- S(J);
- Vars
- B(j);CHECK,N_GUARD::QAB1(I),XB(j)
- B(a);N_GUARD,N_SPINS(g),XR(F)::S(A),XP(d)
- S(b);N_GUARD,XS(A)::QAR2(I)
- S(b);N_GUARD,XR(D)::QAR2(I)
- P(k);OGATEB,XS(J)::QAB(I),XP(n)
- R(i);::R1(D)
- B(j);N_GUARD::QAB1(I)
- S(b);N_GUARD::QAR2(I)
- S(b);N_GUARD::QAR2(I),XS(b)
- P(e);S_CUTB(a)::S(J)
- P(k);OGATEB::QAB(I),XP(n)
- P(n);N_GUARD::QAB(I),XP(k)
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).