MESON Chess Problem Database
Problem Display
PID: 202556 (7K/3p3P/2nPb1Q1/5n1N/2Ppk1Bb/5N2/5P2/2BR4 w - - 0 1)
Mari, Alberto
Brisbane Courier, 1923
#2
11 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bxf2
- 2.Sf6#
- 1...Bg3
- 2.Sxg3#
- 2.Sf6#
- 1...Bg5
- 2.Sg3#
- 1...Bf6+
- 2.Sxf6#
- 1...Be7
- 2.Sg3#
- 1...Bd8
- 2.Sg3#
- 1...Bxc4
- 2.Qxf5#
- 1...Bd5
- 2.Qxf5#
- 1...Bf7
- 2.Qxf5#
- 1...Bg8
- 2.Qxf5#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Se5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Se7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...d3
- 2.Re1#
- 1...Bxf2
- Tries
- 1.Sg5+?
- 1...Ke5
- 2.Bf4#
- 1...Bxg5!
- 1...Ke5
- 1.Bh6?
- 1...Bf6+
- 2.Sxf6#
- 1...Bxf2
- 2.Sf6#
- 1...Bxc4
- 2.Qxf5#
- 1...Bg3
- 2.Sxg3#
- 2.Sf6#
- 1...Be7
- 2.Sg3#
- 1...Bd8
- 2.Sg3#
- 1...Bd5
- 2.Qxf5#
- 1...Bf7
- 2.Qxf5#
- 1...Bg8
- 2.Qxf5#
- 1...Sb4
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Se5
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Se7
- 2.Rxd4#
- 1...Sb8
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...d3
- 2.Re1#
- 1...Bg5!
- 1...Bf6+
- 1.Qg5?
- threat
- 2.Sf6#
- 2.Qf4#
- 1...Bxc4
- 2.Sf6#
- 2.Qxf5#
- 1...Bg3
- 2.Sf6#
- 1...Bxg5!
- threat
- 1.Qxe6+?
- 1...Se5
- 2.Qd5#
- 2.Qxf5#
- 2.Qxe5#
- 1...dxe6!
- 1...Se5
- 1.Sg5+?
- Keys
- 1.Qf6!
- 1...Bxf6+
- 2.Sxf6#
- 1...Bxf2
- 2.Sg5#
- 1...Bxc4
- 2.Qxf5#
- 1...Sxd6
- 2.Qf4#
- 1...Bg5
- 2.Sxg5#
- 1...Bg3
- 2.Sg5#
- 1...Bd5
- 2.Qxf5#
- 1...Bf7
- 2.Qxf5#
- 1...Bg8
- 2.Qxf5#
- 1...Se3
- 2.Qf4#
- 1...Sg3
- 2.Qf4#
- 1...Sh6
- 2.Qf4#
- 1...Sfe7
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...Sb4
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qe5#
- 1...Sce7
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...d3
- 2.Sd2#
- 1...Bxf6+
- 1.Qf6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 7
- REMOVED MATES = 2
- Sets
- B(c);N_GUARD,XP(C)::S(G)
- B(c);N_GUARD::S(G)
- B(c);CHECK,N_GUARD::S(G),XB(c)
- B(f);N_GUARD,XP(E)::QAB1(I),XS(d)
- B(f);N_GUARD::QAB1(I),XS(d)
- S(e);N_GUARD::R1(B),XP(a)
- P(a);SBLOCK::R(B)
- Tries
- Try
- S(D);CHECK
- Vars
- K(b);N_SPINS(d),P-FLIGHT::B(A)
- Refutation
- B(c);XS(D)
- Try
- B(A);
- Vars
- B(c);CHECK,N_GUARD::S(G),XB(c)
- B(c);N_GUARD,XP(C)::S(G)
- B(f);N_GUARD,XP(E)::QAB1(I),XS(d)
- B(c);N_GUARD::S(G)
- B(f);N_GUARD::QAB1(I),XS(d)
- S(e);N_GUARD::R1(B),XP(a)
- P(a);SBLOCK::R(B)
- Refutation
- B(c);
- Try
- Q(I);N_PINS(d)
- Threat
- DUALS(2)
- Vars
- B(c);::S(G)
- Refutation
- B(c);XQ(I)
- Try
- Q(I);CHECK,N_PINS(d),XB(f)
- Refutation
- P(g);XQ(I)
- Try
- Actual
- Q(I);N_PINS(d)
- Vars
- B(c);CHECK,XQ(I)::S(G),XB(c)
- B(c);N_GUARD,XP(C)::S(D)
- B(f);N_GUARD,XP(E)::QAB1(I),XS(d)
- S(d);OGATE,XP(H)::QAR1(I)
- B(c);N_GUARD::S(D),XB(c)
- B(c);N_GUARD::S(D)
- B(f);N_GUARD::QAB1(I),XS(d)
- S(d);OGATE::QAR1(I)
- S(e);N_GUARD::QAR1(I)
- S(e);N_GUARD::QAR1(I),XS(e)
- P(a);SBLOCK::S(D)
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).