MESON Chess Problem Database
Problem Display
PID: 108880 (2R2BK1/1p6/4p3/2Nk4/np2p2R/6pr/2NPQ2n/7b w - - 0 1)
Simadhinata, Januarta (Siem Giok Liam)
Futar, 1966
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Qxe4#
- 1...Sxc5
- 2.Rxc5#
- 1...g2
- 2.Qxe4#
- 1...Sf3
- Tries
- 1.Sxa4?
- threat
- 2.Rc5#
- 2.Qb5#
- 1...e5
- 2.Qc4#
- 1...b5
- 2.Rc5#
- 2.Qxb5#
- 1...b6
- 2.Qb5#
- 1...Ke5!
- threat
- 1.Sxe4?
- threat
- 2.Sf6#
- 1...Ke5
- 2.Qh5#
- 1...Bxe4
- 2.Qxe4#
- 1...e5
- 2.Qc4#
- 1...Sg4!
- threat
- 1.Sd7?
- threat
- 2.Qc4#
- 1...Sb2
- 2.Rc5#
- 2.Qb5#
- 1...Sc5
- 2.Rxc5#
- 1...Sb6
- 2.Rc5#
- 2.Qb5#
- 1...b5!
- threat
- 1.Rxe4?
- threat
- 2.Se3#
- 2.Sxb4#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 2.Qc4#
- 1...Bxe4
- 2.Qxe4#
- 1...Sxc5
- 2.Sxb4#
- 2.Rd4#
- 2.Re5#
- 2.Rxc5#
- 2.Qc4#
- 1...Rh4
- 2.Se3#
- 2.Sxb4#
- 2.Re5#
- 2.Qd3#
- 2.Qc4#
- 1...Rh5
- 2.Se3#
- 2.Sxb4#
- 2.Rd4#
- 2.Qd3#
- 2.Qc4#
- 1...Sf1
- 2.Sxb4#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 2.Qc4#
- 1...Sf3
- 2.Se3#
- 2.Sxb4#
- 2.Qc4#
- 1...Sg4
- 2.Sxb4#
- 2.Rd4#
- 2.Qd3#
- 2.Qc4#
- 1...Sb2
- 2.Se3#
- 2.Sxb4#
- 2.Rd4#
- 2.Re5#
- 1...Sb6
- 2.Se3#
- 2.Sxb4#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 1...g2
- 2.Sxb4#
- 2.Rd4#
- 2.Re5#
- 2.Qc4#
- 1...b3
- 2.Se3#
- 2.Sb4#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 2.Qc4#
- 1...e5
- 2.Se3#
- 2.Sxb4#
- 2.Rxe5#
- 2.Qd3#
- 2.Qc4#
- 1...b5
- 2.Se3#
- 2.Sxb4#
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 1...Rh8+!
- threat
- 1.Qc4+?
- 1...Ke5
- 2.Qxe6#
- 1...Kxc4!
- 1...Ke5
- 1.Qb5?
- threat
- 2.Sxa4#
- 1...Ke5
- 2.Sd7#
- 1...Sxc5
- 2.Rxc5#
- 2.Qxc5#
- 1...Sb2
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sxe4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 1...Sb6
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sxe4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 1...e5
- 2.Rd8#
- 1...Sc3!
- threat
- 1.Qh5+?
- 1...e5
- 2.Qf7#
- 1...Kc4!
- 1...e5
- 1.Sxa4?
- Keys
- 1.Qe3!
- threat
- 2.Qd4#
- 1...Kc4
- 2.Qd3#
- 1...Ke5
- 2.Qg5#
- 1...Sf3
- 2.Qxe4#
- 1...e5
- 2.Qb3#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- S(b);S_CUTB(a)::QAB1(C),XP(g)
- S(e);OGATE,XS(E)::R1(F),XS(e)
- P(c);S_CUTB(a)::QAB1(C),XP(g)
- Tries
- Try
- S(E);XS(e)
- Threat
- DUALS(2)
- Vars
- P(i);SBLOCK::QAB1(C)
- P(j);::QAR2(C)
- Refutation
- K(h);P-FLIGHT,P_SPINP(g)
- Try
- S(E);XP(g)
- Threat
- S(E)
- Vars
- K(h);P-FLIGHT::QAR(C)
- B(a);OGATE,XS(E)::QAB1(C),XB(a)
- P(i);SBLOCK::QAB1(C)
- Refutation
- S(b);
- Try
- S(E);
- Threat
- QAB1(C)
- Vars
- S(e);N_GUARD::R1(F),XS(e)
- Refutation
- P(j);
- Try
- R(D);XP(g)
- Threat
- DUALS(6)
- Vars
- B(a);OGATE,XR(D)::QAB1(C),XB(a)
- Refutation
- R(d);CHECK
- Try
- Q(C);CHECK
- Vars
- K(h);OGATE,P-FLIGHT::QAR1(C),XP(i)
- Refutation
- K(h);P_SPINP(g),S_FLIGHT,XQ(C)
- Try
- Q(C);
- Threat
- QAR(C)+S(E),XS(e)
- Vars
- K(h);P-FLIGHT::QAR(C)+S(E),DCHECK
- P(i);SBLOCK::R(F)
- Refutation
- S(e);
- Try
- Q(C);CHECK
- Vars
- P(i);OGATEB,P_SPINP(i),SBLOCK::QAB(C)
- Refutation
- K(h);P_SPINP(g),S_FLIGHT
- Try
- Actual
- Q(C);
- Threat
- QAR1(C)
- Vars
- K(h);P_SPINP(g),S_FLIGHT::QAB1(C)
- K(h);P-FLIGHT,P_SPINP(g)::QAR2(C)
- S(b);S_CUTB(a)::QAB1(C),XP(g)
- P(i);SBLOCK::QAB(C)
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).