MESON Chess Problem Database
Problem Display
PID: 115869 (B6r/b2PP1p1/2P1K1Q1/2p2N2/R1p1kNR1/5p2/5r2/4nqB1 w - - 0 1)
Figueiredo, Jose Miguel Dias
3/4 HM., AACE, 1961
#2
11 + 10
| 1077 | Boletim da UBP | 1989 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Rxc4#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Qh3
- 2.Rxc4#
- 1...Qxg1
- 2.Rxc4#
- 1...Ra2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rb2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rc2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rd2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Re2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 2.Rxc4#
- 1...Rg2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rfh2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rh1
- 2.c7#
- 1...Rhh2
- 2.c7#
- 1...Rh3
- 2.c7#
- 1...Rh4
- 2.c7#
- 1...Rh5
- 2.c7#
- 1...Rh6
- 2.c7#
- 1...Rh7
- 2.c7#
- 1...Bb8
- 2.c7#
- 1...Sd3
- 2.Rxc4#
- 1...Qg2
- Tries
- 1.Se3+?
- 1...Kd4
- 2.Sfd5#
- 1...Kxe3!
- 1...Kd4
- 1.Sg3+?
- 1...Kd4
- 2.Sd5#
- 1...Ke3!
- 1...Kd4
- 1.Sd4+?
- 1...Kxd4
- 2.Sd5#
- 1...Ke3!
- 1...Kxd4
- 1.Sh4+?
- 1...Kd4
- 2.Sd5#
- 1...Ke3!
- 1...Kd4
- 1.Sd6+?
- 1...Kd4
- 2.Sd5#
- 1...Ke3!
- 1...Kd4
- 1.Sh6+?
- 1...Kd4
- 2.Sd5#
- 1...Ke3!
- 1...Kd4
- 1.Sxg7+?
- 1...Kd4
- 2.Sd5#
- 1...Ke3!
- 1...Kd4
- 1.Bxf2?
- threat
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rh4
- 2.Sg3#
- 2.Sd4#
- 2.Sxh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 2.c7#
- 1...Rh5
- 2.Sg3#
- 2.Sd6#
- 2.c7#
- 1...Rh6
- 2.Sg3#
- 2.Sd6#
- 2.Sxh6#
- 2.c7#
- 1...Rf8
- 2.Sg3#
- 2.Sd6#
- 1...Qxf2!
- threat
- 1.Bb7?
- threat
- 2.c7#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Rb2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rd2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rb8!
- threat
- 1.Ra3?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Re3#
- 1...Qxg1
- 2.Sg2#
- 2.Re3#
- 1...Qe2
- 2.Sxe2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Qg2
- 2.Sxg2#
- 2.Re3#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Qh3
- 2.Sxh3#
- 2.Re3#
- 1...Re2
- 2.Sxe2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rg2
- 2.Sxg2#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 2.Re3#
- 1...Rh3
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sxh3#
- 2.Sd5#
- 2.Sh5#
- 2.Re3#
- 2.c7#
- 1...Rh4
- 2.Re3#
- 2.c7#
- 1...Rh5
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sxh5#
- 2.Re3#
- 2.c7#
- 1...Bb8
- 2.Re3#
- 2.c7#
- 1...Sc2
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Sg2
- 2.Sxg2#
- 1...Sd3
- 2.Sxd3#
- 1...c3!
- threat
- 1.Qf6?
- threat
- 2.Qe5#
- 1...Rh6
- 2.c7#
- 1...Bb8
- 2.c7#
- 1...Sd3
- 2.Rxc4#
- 1...gxf6!
- threat
- 1.Qxg7?
- threat
- 2.Qe5#
- 1...Bb8
- 2.c7#
- 1...Sd3
- 2.Rxc4#
- 1...Rh6+!
- threat
- 1.d8Q?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Qd5#
- 2.c7#
- 1...Qxg1
- 2.Sg2#
- 2.Rxc4#
- 2.Qd5#
- 2.c7#
- 1...Qe2
- 2.Sxe2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Qd5#
- 2.c7#
- 1...Qg2
- 2.Sxg2#
- 2.Rxc4#
- 2.Qd5#
- 2.c7#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Qh3
- 2.Sxh3#
- 2.Rxc4#
- 2.Qd5#
- 2.c7#
- 1...Rb2
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 2.Qd5#
- 1...Rd2
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Re2
- 2.Sxe2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 2.Rxc4#
- 2.Qd5#
- 2.c7#
- 1...Rg2
- 2.Sxg2#
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 2.Qd5#
- 2.c7#
- 1...Rh3
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sxh3#
- 2.Sh5#
- 2.Qd5#
- 2.c7#
- 1...Rh4
- 2.Qd5#
- 2.c7#
- 1...Rh5
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxh5#
- 2.Qd5#
- 2.c7#
- 1...Bb8
- 2.Qd5#
- 2.c7#
- 1...Sg2
- 2.Sxg2#
- 2.Qd5#
- 2.c7#
- 1...Sd3
- 2.Sxd3#
- 2.Rxc4#
- 2.Qd5#
- 2.c7#
- 1...Rxd8!
- threat
- 1.d8S?
- threat
- 2.c7#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Rb2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rd2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rxd8!
- threat
- 1.d8B?
- threat
- 2.c7#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Rb2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rd2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rxd8!
- threat
- 1.d8R?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.c7#
- 1...Qxg1
- 2.Sg2#
- 2.Rxc4#
- 2.c7#
- 1...Qe2
- 2.Sxe2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.c7#
- 1...Qg2
- 2.Sxg2#
- 2.Rxc4#
- 2.c7#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Qh3
- 2.Sxh3#
- 2.Rxc4#
- 2.c7#
- 1...Rb2
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Rd2
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 1...Re2
- 2.Sxe2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 2.Rxc4#
- 2.c7#
- 1...Rg2
- 2.Sxg2#
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Sxg7#
- 2.c7#
- 1...Rh3
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sxh3#
- 2.Sh5#
- 2.c7#
- 1...Rh4
- 2.c7#
- 1...Rh5
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxh5#
- 2.c7#
- 1...Bb8
- 2.c7#
- 1...Sg2
- 2.Sxg2#
- 2.c7#
- 1...Sd3
- 2.Sxd3#
- 2.Rxc4#
- 2.c7#
- 1...Rxd8!
- threat
- 1.e8Q?
- threat
- 2.c7#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Rb2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rd2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rxe8+!
- threat
- 1.e8S?
- threat
- 2.Sed6#
- 2.c7#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Rb2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sfd6#
- 2.Sh6#
- 2.Se7#
- 2.Sfxg7#
- 2.Sed6#
- 1...Rd2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sfd6#
- 2.Sh6#
- 2.Se7#
- 2.Sfxg7#
- 1...Bb8
- 2.c7#
- 1...Rxe8+!
- threat
- 1.e8B?
- threat
- 2.c7#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Rb2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rd2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rxe8+!
- threat
- 1.e8R?
- threat
- 2.c7#
- 1...Qd3
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 1...Rb2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rd2
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sxg7#
- 1...Rxe8+!
- threat
- 1.Se3+?
- Keys
- 1.Kd6!
- threat
- 2.Qe6#
- 1...Qd3+
- 2.Sd5#
- 1...Rd2+
- 2.Sd4#
- 1...Bb8+
- 2.c7#
- 1...Rh6
- 2.c7#
- 2.e8Q#
- 2.e8R#
- 1...Sd3
- 2.Rxc4#
- threat
- 1.Kd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- Q(b);N_GUARD::R(B),XP(e)
- Q(b);N_GUARD,XB(A)::R(B),XP(e)
- R(j);N_GUARD::B(K)+P(F)
- R(j);N_GUARD,P_PINQ(H)::B(K)+P(F)
- B(h);S_CUTR(j)::B(K)+P(F)
- S(a);S_CUTQ(b)::R(B),XP(e)
- Tries
- Try
- S(E);CHECK
- Vars
- K(f);P-FLIGHT::R(D)+S(C)
- Refutation
- K(f);N_SPINP(e),P-FLIGHT,P_SPINR(c),XS(E)
- Try
- S(E);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINR(c)::R(D)+S(C)
- Refutation
- K(f);N_SPINP(e),P-FLIGHT,P_SPINR(c)
- Try
- S(E);CHECK,N_PINP(e)
- Vars
- K(f);P-FLIGHT,P_SPINP(e),P_SPINR(c),XS(E)::R(D)+S(C)
- Refutation
- K(f);P-FLIGHT,P_SPINR(c)
- Try
- S(E);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINR(c)::R(D)+S(C)
- Refutation
- K(f);N_SPINP(e),P-FLIGHT,P_SPINR(c)
- Try
- S(E);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINR(c)::R(D)+S(C)
- Refutation
- K(f);N_SPINP(e),P-FLIGHT,P_SPINR(c)
- Try
- S(E);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINR(c)::R(D)+S(C)
- Refutation
- K(f);N_SPINP(e),P-FLIGHT,P_SPINR(c)
- Try
- S(E);CHECK,XP(i)
- Vars
- K(f);P-FLIGHT,P_SPINR(c)::R(D)+S(C)
- Refutation
- K(f);N_SPINP(e),P-FLIGHT,P_SPINR(c)
- Try
- B(A);XR(c)
- Threat
- DUALS(6)
- Refutation
- Q(b);XB(A)
- Try
- B(K);
- Threat
- B(K)+P(F)
- Refutation
- R(j);
- Try
- R(B);N_PINP(e)
- Threat
- DUALS(7)
- Vars
- S(a);::R(D)+S(C),XS(a)
- Refutation
- P(e);
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- R(j);N_GUARD,P_PINQ(H)::B(K)+P(F)
- B(h);S_CUTR(j)::B(K)+P(F)
- S(a);S_CUTQ(b)::R(B),XP(e)
- Refutation
- P(i);XQ(H)
- Try
- Q(H);XP(i)
- Threat
- QAR1(H)
- Vars
- B(h);S_CUTR(j)::B(K)+P(F)
- S(a);S_CUTQ(b)::R(B),XP(e)
- Refutation
- R(j);CHECK
- Try
- P(I);
- Threat
- DUALS(7)
- Refutation
- R(j);XQ(I)
- Try
- P(I);
- Threat
- B(K)+P(F)
- Refutation
- R(j);XS(I)
- Try
- P(I);
- Threat
- B(K)+P(F)
- Refutation
- R(j);XB(I)
- Try
- P(I);
- Threat
- DUALS(6)
- Vars
- R(j);::B(K)+P(F)
- B(h);::B(K)+P(F)
- Refutation
- R(j);XR(I)
- Try
- P(J);
- Threat
- B(K)+P(F)
- Refutation
- R(j);CHECK,XQ(J)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- B(h);::B(K)+P(F)
- Refutation
- R(j);CHECK,XS(J)
- Try
- P(J);
- Threat
- B(K)+P(F)
- Refutation
- R(j);CHECK,XB(J)
- Try
- P(J);
- Threat
- B(K)+P(F)
- Refutation
- R(j);CHECK,XR(J)
- Try
- Actual
- K(G);P-FLIGHT
- Threat
- QAR2(H)
- Vars
- Q(b);CHECK,SBLOCK::R(D)+S(C)
- R(c);CHECK::QAB(H)+S(E)
- B(h);CHECK,S_CUTR(j)::B(K)+P(F)
- S(a);S_CUTQ(b)::R(B),XP(e)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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