MESON Chess Problem Database
Problem Display
PID: 75621 (6b1/1n1p4/3p3R/1K1k3B/3PNp2/4nP2/1B6/7Q w - - 0 1)
Simadhinata, Januarta (Siem Giok Liam)
The Problemist, 2007
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Be6
- 2.Sf6#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sa5
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Be6
- Tries
- 1.Qa1?
- 1...Sd1
- 2.Qa2#
- 1...Be6
- 2.Sf6#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sf1
- 2.Qa2#
- 1...Sc2
- 2.Qa2#
- 1...Sg2
- 2.Qa2#
- 1...Sg4
- 2.Qa2#
- 1...Sf5
- 2.Qa2#
- 1...Sa5
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sc4!
- 1...Sd1
- 1.Qb1?
- 1...Sd1
- 2.Qa2#
- 1...Be6
- 2.Sf6#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sf1
- 2.Qa2#
- 1...Sc2
- 2.Qa2#
- 1...Sg2
- 2.Qa2#
- 1...Sg4
- 2.Qa2#
- 1...Sf5
- 2.Qa2#
- 1...Sa5
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sc4!
- 1...Sd1
- 1.Qc1?
- 1...Sd1
- 2.Qc4#
- 1...Be6
- 2.Sf6#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sf1
- 2.Qc4#
- 1...Sg2
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sg4
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sa5
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sc2!
- 1...Sd1
- 1.Qe1?
- 1...Sd1
- 2.Sf6#
- 1...Be6
- 2.Sf6#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sf1
- 2.Sf6#
- 1...Sc2
- 2.Sf6#
- 1...Sg2
- 2.Sf6#
- 1...Sc4
- 2.Sf6#
- 1...Sf5
- 2.Sf6#
- 1...Sa5
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sg4!
- 1...Sd1
- 1.Qf1?
- 1...Sd1
- 2.Qc4#
- 1...Be6
- 2.Sf6#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sc2
- 2.Qc4#
- 1...Sg2
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sg4
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sa5
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sxf1!
- 1...Sd1
- 1.Qh3?
- threat
- 2.Sf6#
- 1...Sf5
- 2.Qxf5#
- 1...Sg4!
- threat
- 1.Qa1?
- Keys
- 1.Qg1!
- threat
- 2.Qxg8#
- 1...Be6
- 2.Sf6#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sg2
- 2.Sc3#
- 1...Sg4
- 2.Sc3#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(g);SBLOCK::S(E)
- B(g);N_GUARD::B(G),XB(g)
- B(g);N_GUARD::B(G)
- S(e);N_GUARD::R1(H),XP(d)
- Tries
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB(A)
- B(g);SBLOCK::S(E)
- B(g);N_GUARD::B(G),XB(g)
- B(g);N_GUARD::B(G)
- S(e);N_GUARD::R1(H),XP(d)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB(A)
- B(g);SBLOCK::S(E)
- B(g);N_GUARD::B(G),XB(g)
- B(g);N_GUARD::B(G)
- S(e);N_GUARD::R1(H),XP(d)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB1(A)
- B(g);SBLOCK::S(E)
- B(g);N_GUARD::B(G),XB(g)
- B(g);N_GUARD::B(G)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(e);N_GUARD::R1(H),XP(d)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);::S(E)
- B(g);SBLOCK::S(E)
- B(g);N_GUARD::B(G),XB(g)
- B(g);N_GUARD::B(G)
- S(e);N_GUARD::R1(H),XP(d)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB1(A)
- B(g);SBLOCK::S(E)
- B(g);N_GUARD::B(G),XB(g)
- B(g);N_GUARD::B(G)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(e);N_GUARD::R1(H),XP(d)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);
- Threat
- S(E)
- Vars
- S(a);N_GUARD::QAR2(A),XS(a)
- Refutation
- S(a);
- Try
- Actual
- Q(A);
- Threat
- QAB(A),XB(g)
- Vars
- B(g);SBLOCK::S(E)
- B(g);N_GUARD::B(G),XB(g)
- B(g);N_GUARD::B(G)
- S(a);::S(E)
- S(e);N_GUARD::R1(H),XP(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).