MESON Chess Problem Database
Problem Display
PID: 152144 (8/Bpp1NQp1/1n2pb2/1N1pk1P1/4q3/pB4P1/R3R1p1/6K1 w - - 0 1)
Paluzie y Lucena, Jozefo
Good Companions (April), 1915
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Qxe2
- 2.Rxe2#
- 1...Qe3+
- 2.Rxe3#
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...d4
- 2.Qxe6#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...g6
- 2.Qxf6#
- 1...Qxe2
- Tries
- 1.Bd1?
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...g6
- 2.Qxf6#
- 1...d4!
- 1...Qe3+
- 1.Ba4?
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...Sxa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...g6
- 2.Qxf6#
- 1...d4!
- 1...Qe3+
- 1.Bc4?
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...Sxc4
- 2.Bd4#
- 1...d4
- 2.Qxe6#
- 1...Sa4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...g6
- 2.Qxf6#
- 1...dxc4!
- 1...Qe3+
- 1.Bxd5?
- threat
- 2.Rxe4#
- 2.Qxe6#
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 2.Qxe6#
- 1...Bxe7
- 2.Qxe6#
- 1...Sxd5
- 2.Bd4#
- 1...exd5!
- threat
- 1.Bxb6?
- threat
- 2.Bd4#
- 2.Bxc7#
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 1...Bxe7
- 2.Bd4#
- 2.Qf4#
- 1...d4
- 2.Bxd4#
- 2.Bxc7#
- 2.Qxe6#
- 1...c5
- 2.Bc7#
- 1...c6
- 2.Bd4#
- 2.Bc7#
- 1...cxb6!
- threat
- 1.Rac2?
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...d4
- 2.Qxe6#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...g6
- 2.Qxf6#
- 1...a2!
- 1...Qe3+
- 1.Rad2?
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...d4
- 2.Qxe6#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...g6
- 2.Qxf6#
- 1...a2!
- 1...Qe3+
- 1.Rxa3?
- 1...Qe3+
- 2.Rxe3#
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...d4
- 2.Qxe6#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...g6
- 2.Qxf6#
- 1...Qxe2!
- 1...Qe3+
- 1.Re1?
- 1...Qe3+
- 2.Rxe3#
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...Qe2
- 2.Rexe2#
- 2.Raxe2#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...d4
- 2.Qxe6#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...g6
- 2.Qxf6#
- 1...Qxe1+!
- 1...Qe3+
- 1.Re3?
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...d4
- 2.Qxe6#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...g6
- 2.Qxf6#
- 1...Qxe3+!
- 1...Bxg5
- 1.Rxe4+?
- 1...dxe4
- 2.Qxe6#
- 1...Kxe4!
- 1...dxe4
- 1.Qg6?
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 1...Bxg5
- 2.Qxg5#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...d4
- 2.Rxe4#
- 2.Qxe4#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...Bxe7!
- 1...Qe3+
- 1.Qxg7?
- threat
- 2.Qxf6#
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 1...Sd7
- 2.Bd4#
- 1...Bxg7!
- threat
- 1.Qf8?
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...c5
- 2.Bb8#
- 2.Qb8#
- 1...c6
- 2.Bb8#
- 2.Qb8#
- 1...g6
- 2.Qxf6#
- 1...d4!
- 1...Qe3+
- 1.g6?
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Rxe2#
- 1...Bxe7
- 2.Qf4#
- 1...d4
- 2.Qxe6#
- 1...Bh4
- 2.Qf4#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...Bg5!
- 1...Qe3+
- 1.Bd1?
- Keys
- 1.Bc2!
- 1...Qe3+
- 2.Rxe3#
- 1...Qxe2
- 2.Sg6#
- 1...Bxg5
- 2.Sg6#
- 1...Bxe7
- 2.Qf4#
- 1...Sa4
- 2.Bd4#
- 1...Sc4
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sa8
- 2.Bd4#
- 1...Sc8
- 2.Bd4#
- 1...d4
- 2.Rxe4#
- 1...c5
- 2.Bb8#
- 1...c6
- 2.Bb8#
- 1...g6
- 2.Qxf6#
- 1...Qe3+
- 1.Bc2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- S(f);OGATE::B(H)
- P(d);::QAR1(J),XP(g)
- P(j);OGATEB::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
- Tries
- Try
- B(D);
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- S(f);OGATE::B(H)
- P(j);OGATEB::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
- Refutation
- P(d);
- Try
- B(D);
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- S(f);OGATE,XB(D)::B(H)
- S(f);OGATE::B(H)
- P(j);OGATEB::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
- Refutation
- P(d);
- Try
- B(D);
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- S(f);OGATE,XB(D)::B(H)
- P(d);::QAR1(J),XP(g)
- S(f);OGATE::B(H)
- P(j);OGATEB::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
- Refutation
- P(d);XB(D)
- Try
- B(D);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- B(h);XS(I)::QAR1(J),XP(g)
- S(f);OGATE,XB(D)::B(H)
- Refutation
- P(g);XB(D)
- Try
- B(H);XS(f)
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- P(j);::B(H)
- Refutation
- P(j);XB(H)
- Try
- R(B);
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- P(d);::QAR1(J),XP(g)
- S(f);OGATE::B(H)
- P(j);OGATEB::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
- Refutation
- P(b);
- Try
- R(B);
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- S(f);OGATE::B(H)
- P(d);::QAR1(J),XP(g)
- P(j);OGATEB::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
- Refutation
- P(b);
- Try
- R(B);XP(b)
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- S(f);OGATE::B(H)
- P(d);::QAR1(J),XP(g)
- P(j);OGATEB::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
- Refutation
- Q(c);N_SPINQ(c),XR(C)
- Try
- R(C);
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- S(f);OGATE::B(H)
- P(d);::QAR1(J),XP(g)
- P(j);OGATEB::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XR(C)
- Try
- R(C);
- Vars
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- S(f);OGATE::B(H)
- P(d);::QAR1(J),XP(g)
- P(j);OGATEB::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XR(C)
- Try
- R(C);CHECK,XQ(c)
- Vars
- P(d);SBLOCK,XR(C)::QAR1(J),XP(g)
- Refutation
- K(e);P-FLIGHT,XR(C)
- Try
- Q(J);
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- B(h);OGATE,XP(G)::QAR2(J),XB(h)
- S(f);OGATE::B(H)
- P(j);OGATEB::B(H)
- Refutation
- B(h);XS(I)
- Try
- Q(J);P_PINB(h),XP(k)
- Threat
- QAB1(J),XB(h)
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- S(f);OGATE::B(H)
- Refutation
- B(h);N_SPINB(h),XQ(J)
- Try
- Q(J);
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- S(f);OGATE::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
- Refutation
- P(d);
- Try
- P(G);
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,XR(C)::R(B),XQ(c)
- B(h);OGATE,XS(I)::QAB1(J)
- P(d);::QAR1(J),XP(g)
- B(h);OGATE::QAB1(J)
- S(f);OGATE::B(H)
- P(j);OGATEB::B(H)
- Refutation
- B(h);
- Try
- Actual
- B(D);
- Vars
- Q(c);CHECK,OGATEB::R(C),XQ(c)
- Q(c);N_SPINQ(c),XR(C)::S(I)
- B(h);XP(G)::S(I)
- B(h);OGATE,XS(I)::QAB1(J)
- S(f);OGATE::B(H)
- P(d);N_GUARD::R1(C),XQ(c)
- P(j);OGATEB::B(H)
- P(k);N_GUARD::QAB1(J),XB(h)
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).