MESON Chess Problem Database
Problem Display
PID: 102004 (4b3/4B3/2RPBPR1/2N1k1N1/2p1n1p1/2P1K1P1/8/4Q3 w - - 0 1)
Corrias, Antonio G
Nuova Rivista degli Scacchi, 1893
#2
12 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxc6
- 2.Sf7#
- 1...Bxg6
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 2.Sf7#
- 1...Bf7
- 2.Sd7#
- 2.Sxf7#
- 1...Sd2
- 2.Kxd2#
- 1...Sf2
- 2.Kxf2#
- 1...Sxc3
- 2.Qxc3#
- 1...Sxg3
- 2.Qxg3#
- 1...Sxc5
- 2.Rxc5#
- 1...Sxg5
- 2.Rxg5#
- 1...Sxd6
- 2.Bxd6#
- 1...Sxf6
- 2.Bxf6#
- 1...Bxc6
- Tries
- 1.Ra6?
- 1...Bxg6
- 2.Sd7#
- 1...Sxc3
- 2.Qxc3#
- 1...Sxg3
- 2.Qxg3#
- 1...Sxg5
- 2.Rxg5#
- 1...Sxd6
- 2.Bxd6#
- 1...Sxf6
- 2.Bxf6#
- 1...Ba4
- 2.Sf7#
- 1...Bb5
- 2.Sf7#
- 1...Bc6
- 2.Sf7#
- 1...Bd7
- 2.Sxd7#
- 2.Sf7#
- 1...Bf7
- 2.Sd7#
- 2.Sxf7#
- 1...Sd2
- 2.Kxd2#
- 1...Sf2
- 2.Kxf2#
- 1...Sxc5!
- 1...Bxg6
- 1.Rb6?
- 1...Bxg6
- 2.Sd7#
- 1...Sxc3
- 2.Qxc3#
- 1...Sxg3
- 2.Qxg3#
- 1...Sxg5
- 2.Rxg5#
- 1...Sxd6
- 2.Bxd6#
- 1...Sxf6
- 2.Bxf6#
- 1...Ba4
- 2.Sf7#
- 1...Bb5
- 2.Sf7#
- 1...Bc6
- 2.Sf7#
- 1...Bd7
- 2.Sxd7#
- 2.Sf7#
- 1...Bf7
- 2.Sd7#
- 2.Sxf7#
- 1...Sd2
- 2.Kxd2#
- 1...Sf2
- 2.Kxf2#
- 1...Sxc5!
- 1...Bxg6
- 1.Rh6?
- 1...Bxc6
- 2.Sf7#
- 1...Sxc3
- 2.Qxc3#
- 1...Sxg3
- 2.Qxg3#
- 1...Sxc5
- 2.Rxc5#
- 1...Sxd6
- 2.Bxd6#
- 1...Sxf6
- 2.Bxf6#
- 1...Bh5
- 2.Sd7#
- 1...Bg6
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 2.Sf7#
- 1...Bf7
- 2.Sd7#
- 2.Sxf7#
- 1...Sd2
- 2.Kxd2#
- 1...Sf2
- 2.Kxf2#
- 1...Sxg5!
- 1...Bxc6
- 1.Qd2?
- threat
- 2.Qd4#
- 2.Qd5#
- 1...Bxc6
- 2.Sf7#
- 2.Qd4#
- 1...Sxc3
- 2.Qxc3#
- 2.Qd4#
- 1...Sxf6
- 2.Bxf6#
- 2.Qd4#
- 1...Sxd2!
- threat
- 1.Qf2?
- threat
- 2.Qf4#
- 2.Qf5#
- 1...Bxg6
- 2.Sd7#
- 2.Qf4#
- 1...Sxg3
- 2.Qxg3#
- 2.Qf4#
- 1...Sxd6
- 2.Bxd6#
- 2.Qf4#
- 1...Sxf2!
- threat
- 1.Qb1?
- threat
- 2.Qxe4#
- 1...Bxc6
- 2.Sf7#
- 1...Bxg6
- 2.Sd7#
- 1...Sxc3
- 2.Qf5#
- 1...Sxc5
- 2.Rxc5#
- 2.Qf5#
- 1...Sxg5
- 2.Rxg5#
- 2.Qf5#
- 1...Sxd6
- 2.Bxd6#
- 1...Sxf6
- 2.Bxf6#
- 2.Qf5#
- 1...Sd2
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sxg3!
- threat
- 1.Qd1?
- threat
- 2.Qd4#
- 2.Qd5#
- 1...Bxc6
- 2.Sf7#
- 2.Qd4#
- 1...Sxc3
- 2.Qd4#
- 1...Sxf6
- 2.Bxf6#
- 2.Qd4#
- 1...Sd2!
- threat
- 1.Qf1?
- threat
- 2.Qf4#
- 2.Qf5#
- 1...Bxg6
- 2.Sd7#
- 2.Qf4#
- 1...Sxg3
- 2.Qf4#
- 1...Sxd6
- 2.Bxd6#
- 2.Qf4#
- 1...Sf2!
- threat
- 1.Qh1?
- threat
- 2.Qxe4#
- 1...Bxc6
- 2.Sf7#
- 1...Bxg6
- 2.Sd7#
- 1...Sxg3
- 2.Qd5#
- 1...Sxc5
- 2.Rxc5#
- 2.Qd5#
- 1...Sxg5
- 2.Rxg5#
- 2.Qd5#
- 1...Sxd6
- 2.Bxd6#
- 2.Qd5#
- 1...Sxf6
- 2.Bxf6#
- 1...Sd2
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- 1...Sxc3!
- threat
- 1.d7?
- 1...Bxd7
- 2.Sxd7#
- 2.Sf7#
- 1...Sxc3
- 2.Bd6#
- 2.Qxc3#
- 1...Sxg3
- 2.Bd6#
- 2.Qxg3#
- 1...Sxc5
- 2.Bd6#
- 2.Rxc5#
- 1...Sxg5
- 2.Bd6#
- 2.Rxg5#
- 1...Sxf6
- 2.Bd6#
- 2.Bxf6#
- 1...Sd2
- 2.Kxd2#
- 2.Bd6#
- 1...Bf7
- 2.Sxf7#
- 1...Sf2
- 2.Kxf2#
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Bxg6!
- 1...Bxd7
- 1.f7?
- 1...Bxf7
- 2.Sd7#
- 2.Sxf7#
- 1...Sxc3
- 2.Bf6#
- 2.Qxc3#
- 1...Sxg3
- 2.Bf6#
- 2.Qxg3#
- 1...Sxc5
- 2.Bf6#
- 2.Rxc5#
- 1...Sxg5
- 2.Bf6#
- 2.Rxg5#
- 1...Sxd6
- 2.Bxd6#
- 2.Bf6#
- 1...Sd2
- 2.Kxd2#
- 2.Bf6#
- 1...Bd7
- 2.Sxd7#
- 1...Sf2
- 2.Kxf2#
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Bxc6!
- 1...Bxf7
- 1.Ra6?
- Keys
- 1.Ke2!
- 1...Sxc3+
- 2.Qxc3#
- 1...Sxg3+
- 2.Qxg3#
- 1...Bxc6
- 2.Sf7#
- 1...Bxg6
- 2.Sd7#
- 1...Sxc5
- 2.Rxc5#
- 1...Sxg5
- 2.Rxg5#
- 1...Sxd6
- 2.Bxd6#
- 1...Sxf6
- 2.Bxf6#
- 1...Bd7
- 2.Sxd7#
- 2.Sf7#
- 1...Bf7
- 2.Sd7#
- 2.Sxf7#
- 1...Sd2
- 2.Kxd2#
- 1...Sf2
- 2.Kxf2#
- 1...Sxc3+
- 1.Ke2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD,XR(G)::S(F)
- B(e);N_GUARD,XR(K)::S(E)
- S(b);::QAR(A)+K(C),XS(b)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- S(b);OGATE,XP(D)::QAB(A),XS(b)
- S(b);OGATE,XS(E)::R(G),XS(b)
- S(b);OGATE,XS(F)::R(K),XS(b)
- S(b);OGATE,XP(H)::B(L),XS(b)
- S(b);OGATE,XP(J)::B(L),XS(b)
- Tries
- Try
- R(G);
- Vars
- B(e);N_GUARD,XR(K)::S(E)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- S(b);OGATE,XP(D)::QAB(A),XS(b)
- S(b);OGATE,XS(F)::R(K),XS(b)
- S(b);OGATE,XP(H)::B(L),XS(b)
- S(b);OGATE,XP(J)::B(L),XS(b)
- B(e);N_GUARD::S(F)
- S(b);::QAR(A)+K(C),XS(b)
- Refutation
- S(b);XS(E)
- Try
- R(G);
- Vars
- B(e);N_GUARD,XR(K)::S(E)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- S(b);OGATE,XP(D)::QAB(A),XS(b)
- S(b);OGATE,XS(F)::R(K),XS(b)
- S(b);OGATE,XP(H)::B(L),XS(b)
- S(b);OGATE,XP(J)::B(L),XS(b)
- B(e);N_GUARD::S(F)
- S(b);::QAR(A)+K(C),XS(b)
- Refutation
- S(b);XS(E)
- Try
- R(K);
- Vars
- B(e);N_GUARD,XR(G)::S(F)
- S(b);OGATE,XP(B)::QAB(A),XS(b)
- S(b);OGATE,XP(D)::QAB(A),XS(b)
- S(b);OGATE,XS(E)::R(G),XS(b)
- S(b);OGATE,XP(H)::B(L),XS(b)
- S(b);OGATE,XP(J)::B(L),XS(b)
- B(e);N_GUARD::S(E)
- S(b);::QAR(A)+K(C),XS(b)
- Refutation
- S(b);XS(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A),XS(b)
- Vars
- B(e);N_GUARD,XR(G)::S(F)
- B(e);N_GUARD,XR(K)::S(E)
- S(b);OGATE,XP(B)::QAR1(A)
- S(b);OGATE,XP(H)::B(L),XS(b)
- S(b);OGATE::QAR1(A)
- Refutation
- S(b);XP(D)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(b);XP(B)::QAB1(A)
- Refutation
- S(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::QAB1(A)
- Refutation
- S(b);
- Try
- Q(A);
- Threat
- QAR1(A),XS(b)
- Vars
- B(e);N_GUARD,XR(G)::S(F)
- B(e);N_GUARD,XR(K)::S(E)
- S(b);OGATE,XP(D)::QAR1(A)
- S(b);OGATE,XP(J)::B(L),XS(b)
- S(b);OGATE::QAR1(A)
- Refutation
- S(b);XP(B)
- Try
- P(H);
- Vars
- B(e);N_GUARD::S(F),XB(e)
- S(b);N_GUARD::B(L),XS(b)
- Refutation
- B(e);XR(K)
- Try
- P(J);
- Vars
- B(e);N_GUARD::S(E),XB(e)
- S(b);N_GUARD::B(L),XS(b)
- Refutation
- B(e);XR(G)
- Try
- Actual
- K(C);P-FLIGHT
- Vars
- S(b);CHECK,OGATE,XP(B)::QAB(A),XS(b)
- S(b);CHECK,OGATE,XP(D)::QAB(A),XS(b)
- B(e);N_GUARD,XR(G)::S(F)
- B(e);N_GUARD,XR(K)::S(E)
- S(b);OGATE,XS(E)::R(G),XS(b)
- S(b);OGATE,XS(F)::R(K),XS(b)
- S(b);OGATE,XP(H)::B(L),XS(b)
- S(b);OGATE,XP(J)::B(L),XS(b)
- S(b);::QAR(A)+K(C),XS(b)
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).