MESON Chess Problem Database
Problem Display
PID: 101788 (8/4n3/1p6/2bp3R/3p1kP1/Q2R1P2/5K2/1nN1Bb2 w - - 0 1)
di Scala, Pascal
diagrammes, 1990
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bxd3
- 2.Sxd3#
- 1...Bh3
- 2.Se2#
- 1...Bxa3
- 2.Rxd4#
- 1...Bb4
- 2.Rxd4#
- 1...Bd6
- 2.Rxd4#
- 2.Qxd6#
- 1...Sd2
- 2.Bxd2#
- 1...Sxa3
- 2.Bd2#
- 1...Sc3
- 2.Bd2#
- 1...Sf5
- 2.Rxf5#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...Be2
- Tries
- 1.Qb2?
- 1...Bxd3
- 2.Sxd3#
- 1...Sf5
- 2.Rxf5#
- 1...Sc3
- 2.Bd2#
- 2.Qd2#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bh3
- 2.Se2#
- 1...Ba3
- 2.Rxd4#
- 2.Qxd4#
- 1...Bb4
- 2.Rxd4#
- 2.Qxd4#
- 1...Bd6
- 2.Rxd4#
- 2.Qxd4#
- 1...Sd2
- 2.Bxd2#
- 2.Qxd2#
- 1...Sa3
- 2.Bd2#
- 2.Qd2#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...b5!
- 1...Bxd3
- 1.Qb4?
- 1...Bxd3
- 2.Sxd3#
- 1...Bxb4
- 2.Rxd4#
- 1...Sf5
- 2.Rxf5#
- 1...Sc3
- 2.Bd2#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bh3
- 2.Se2#
- 1...Bd6
- 2.Rxd4#
- 2.Qxd6#
- 2.Qxd4#
- 1...Sd2
- 2.Bxd2#
- 2.Qxd2#
- 1...Sa3
- 2.Bd2#
- 2.Qd2#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...b5!
- 1...Bxd3
- 1.Qxc5?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 2.Qd6#
- 2.Qc7#
- 1...Bxd3
- 2.Sxd3#
- 2.Qd6#
- 2.Qc7#
- 1...Sf5
- 2.Rxf5#
- 1...Sd2
- 2.Bxd2#
- 2.Qd6#
- 2.Qc7#
- 1...Sc3
- 2.Bd2#
- 2.Qd6#
- 2.Qc7#
- 1...Sc6
- 2.Rf5#
- 2.Qf8#
- 1...Sg6
- 2.Rxd4#
- 2.Rf5#
- 2.Qxd4#
- 1...Sc8
- 2.Rxd4#
- 2.Rf5#
- 2.Qxd4#
- 2.Qf8#
- 1...bxc5!
- threat
- 1.Qa1?
- 1...Bxd3
- 2.Sxd3#
- 1...Sf5
- 2.Rxf5#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bh3
- 2.Se2#
- 1...Ba3
- 2.Rxd4#
- 2.Qxd4#
- 1...Bb4
- 2.Rxd4#
- 2.Qxd4#
- 1...Bd6
- 2.Rxd4#
- 2.Qxd4#
- 1...Sd2
- 2.Bxd2#
- 1...Sa3
- 2.Bd2#
- 1...Sc3
- 2.Bd2#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...b5!
- 1...Bxd3
- 1.Qa2?
- 1...Bxd3
- 2.Sxd3#
- 1...Sf5
- 2.Rxf5#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bh3
- 2.Se2#
- 1...Ba3
- 2.Rxd4#
- 1...Bb4
- 2.Rxd4#
- 1...Bd6
- 2.Rxd4#
- 1...Sd2
- 2.Bxd2#
- 2.Qxd2#
- 1...Sa3
- 2.Bd2#
- 2.Qd2#
- 1...Sc3
- 2.Bd2#
- 2.Qd2#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...b5!
- 1...Bxd3
- 1.Qb3?
- 1...Bxd3
- 2.Sxd3#
- 1...Sf5
- 2.Rxf5#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bh3
- 2.Se2#
- 1...Ba3
- 2.Rxd4#
- 1...Bb4
- 2.Rxd4#
- 1...Bd6
- 2.Rxd4#
- 1...Sd2
- 2.Bxd2#
- 1...Sa3
- 2.Bd2#
- 1...Sc3
- 2.Bd2#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...b5!
- 1...Bxd3
- 1.Qa4?
- 1...Bxd3
- 2.Sxd3#
- 1...Sf5
- 2.Rxf5#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bh3
- 2.Se2#
- 1...Ba3
- 2.Rxd4#
- 2.Qxd4#
- 1...Bb4
- 2.Rxd4#
- 1...Bd6
- 2.Rxd4#
- 2.Qxd4#
- 1...Sd2
- 2.Bxd2#
- 1...Sa3
- 2.Bd2#
- 1...Sc3
- 2.Bd2#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...b5!
- 1...Bxd3
- 1.Qa7?
- 1...Bxd3
- 2.Sxd3#
- 1...Sf5
- 2.Rxf5#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bh3
- 2.Se2#
- 1...Ba3
- 2.Rxd4#
- 1...Bb4
- 2.Rxd4#
- 1...Bd6
- 2.Rxd4#
- 1...Sd2
- 2.Bxd2#
- 1...Sa3
- 2.Bd2#
- 1...Sc3
- 2.Bd2#
- 1...Sc6
- 2.Rf5#
- 2.Qf7#
- 1...Sg6
- 2.Rf5#
- 2.Qf7#
- 1...Sc8
- 2.Rf5#
- 2.Qf7#
- 1...Sg8
- 2.Rf5#
- 1...b5!
- 1...Bxd3
- 1.Qa8?
- 1...Bxd3
- 2.Sxd3#
- 1...Sf5
- 2.Rxf5#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bh3
- 2.Se2#
- 1...Ba3
- 2.Rxd4#
- 1...Bb4
- 2.Rxd4#
- 1...Bd6
- 2.Rxd4#
- 1...Sd2
- 2.Bxd2#
- 1...Sa3
- 2.Bd2#
- 1...Sc3
- 2.Bd2#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...b5!
- 1...Bxd3
- 1.Qb2?
- Keys
- 1.Qa6!
- 1...Bxd3
- 2.Sxd3#
- 1...Sf5
- 2.Rxf5#
- 1...b5
- 2.Qh6#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bh3
- 2.Se2#
- 1...Ba3
- 2.Rxd4#
- 1...Bb4
- 2.Rxd4#
- 1...Bd6
- 2.Rxd4#
- 1...Sd2
- 2.Bxd2#
- 1...Sa3
- 2.Bd2#
- 1...Sc3
- 2.Bd2#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...Bxd3
- 1.Qa6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- B(b);XR(E)::S(A),XB(b)
- B(e);N_GUARD,XQ(D)::R(E),XP(c)
- B(e);N_GUARD::R(E),XP(c)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD,XQ(D)::B(B)
- S(a);N_GUARD::B(B)
- S(h);N_GUARD::R1(H),XS(h)
- S(h);N_GUARD::R1(H)
- Tries
- Try
- Q(D);
- Vars
- B(b);XR(E)::S(A),XB(b)
- S(h);N_GUARD::R1(H),XS(h)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- S(h);N_GUARD::R1(H)
- Refutation
- P(g);
- Try
- Q(D);P_PINP(c)
- Vars
- B(b);XR(E)::S(A),XB(b)
- B(e);N_GUARD,N_SPINP(c),XQ(D)::R(E),XP(c)
- S(h);N_GUARD::R1(H),XS(h)
- S(a);N_GUARD::B(B)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- S(h);N_GUARD::R1(H)
- Refutation
- P(g);
- Try
- Q(D);XB(e)
- Threat
- DUALS(4)
- Vars
- S(h);N_GUARD::R1(H),XS(h)
- Refutation
- P(g);XQ(D)
- Try
- Q(D);
- Vars
- B(b);XR(E)::S(A),XB(b)
- S(h);N_GUARD::R1(H),XS(h)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
- S(h);N_GUARD::R1(H)
- Refutation
- P(g);
- Try
- Q(D);
- Vars
- B(b);XR(E)::S(A),XB(b)
- S(h);N_GUARD::R1(H),XS(h)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- B(e);N_GUARD::R(E),XP(c)
- S(h);N_GUARD::R1(H)
- Refutation
- P(g);
- Try
- Q(D);
- Vars
- B(b);XR(E)::S(A),XB(b)
- S(h);N_GUARD::R1(H),XS(h)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- B(e);N_GUARD::R(E),XP(c)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
- S(h);N_GUARD::R1(H)
- Refutation
- P(g);
- Try
- Q(D);P_PINP(c)
- Vars
- B(b);XR(E)::S(A),XB(b)
- S(h);N_GUARD::R1(H),XS(h)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- B(e);N_GUARD,N_SPINP(c)::R(E),XP(c)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
- S(h);N_GUARD::R1(H)
- Refutation
- P(g);
- Try
- Q(D);
- Vars
- B(b);XR(E)::S(A),XB(b)
- S(h);N_GUARD::R1(H),XS(h)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- B(e);N_GUARD::R(E),XP(c)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
- S(h);N_GUARD::R1(H)
- Refutation
- P(g);
- Try
- Q(D);
- Vars
- B(b);XR(E)::S(A),XB(b)
- S(h);N_GUARD::R1(H),XS(h)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- B(e);N_GUARD::R(E),XP(c)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
- S(h);N_GUARD::R1(H)
- Refutation
- P(g);
- Try
- Actual
- Q(D);
- Vars
- B(b);XR(E)::S(A),XB(b)
- S(h);N_GUARD::R1(H),XS(h)
- P(g);OGATE::QAB(D)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- B(e);N_GUARD::R(E),XP(c)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
- S(h);N_GUARD::R1(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).