MESON Chess Problem Database
Problem Display
PID: 46304 (K2R1R2/1B2B1N1/8/2p1k2r/2p5/1p2p2n/3n4/b1Q5 w - - 0 1)
Onkoud, Abdelaziz
Problem-Forum, 2000
#2
7 + 9
| 102 | Probleemblad | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Rf5#
- 1...Rf5
- 2.Rxf5#
- 1...Rh6
- 2.Rf5#
- 1...Rh7
- 2.Rf5#
- 1...Rh8
- 2.Rf5#
- 1...Bc3
- 2.Qxc3#
- 1...Bd4
- 2.Bd6#
- 1...Sb1
- 2.Qxe3#
- 1...Sf3
- 2.Qxe3#
- 1...Se4
- 2.Rd5#
- 1...Sf4
- 2.Bf6#
- 1...Sg5
- 2.Rf5#
- 1...b2
- 2.Qc3#
- 1...Rh4
- Tries
- 1.Bh1?
- threat
- 2.Rd5#
- 1...Rf5
- 2.Rxf5#
- 1...Sf3
- 2.Qxe3#
- 1...Sf4
- 2.Bf6#
- 1...Se4!
- threat
- 1.Bg2?
- threat
- 2.Rd5#
- 1...Rf5
- 2.Rxf5#
- 1...Sf3
- 2.Qxe3#
- 1...Sf4
- 2.Bf6#
- 1...Se4!
- threat
- 1.Bf3?
- threat
- 2.Rd5#
- 1...Sxf3
- 2.Qxe3#
- 1...Rf5
- 2.Rxf5#
- 1...Sf4
- 2.Bf6#
- 1...Se4!
- threat
- 1.Bxc5?
- threat
- 2.Rde8#
- 1...Rf5
- 2.Rxf5#
- 1...Rh6
- 2.Rf5#
- 1...Sg5
- 2.Rf5#
- 1...Sf4!
- threat
- 1.Bg5?
- threat
- 2.Rf5#
- 2.Rfe8#
- 1...Sxg5
- 2.Rf5#
- 1...Rh6
- 2.Rf5#
- 1...Rh8
- 2.Rf5#
- 1...Sf4
- 2.Bxf4#
- 2.Bf6#
- 2.Rf5#
- 1...Rxg5!
- threat
- 1.Rd3?
- threat
- 2.Bd6#
- 1...cxd3
- 2.Qxc5#
- 1...Rh6
- 2.Rf5#
- 1...Se4
- 2.Rd5#
- 1...Bd4!
- threat
- 1.Rf3?
- threat
- 2.Bf6#
- 1...Sxf3
- 2.Qxe3#
- 1...Rf5
- 2.Rxf5#
- 1...Rh6
- 2.Rf5#
- 1...Se4
- 2.Rd5#
- 1...Sf4!
- threat
- 1.Qxd2?
- threat
- 2.Bd6#
- 2.Qxe3#
- 2.Qd5#
- 2.Qd6#
- 1...Rf5
- 2.Bd6#
- 2.Rxf5#
- 2.Qxe3#
- 2.Qd6#
- 1...Rh4
- 2.Bd6#
- 2.Rf5#
- 2.Qd5#
- 2.Qd6#
- 1...Rh6
- 2.Rf5#
- 2.Qxe3#
- 2.Qd5#
- 1...Bd4
- 2.Bd6#
- 1...Sf2
- 2.Bd6#
- 2.Qd5#
- 2.Qd6#
- 1...Sf4
- 2.Bd6#
- 2.Bf6#
- 2.Qxe3#
- 2.Qd6#
- 1...Sg5
- 2.Bd6#
- 2.Rf5#
- 2.Qd5#
- 2.Qd6#
- 1...e2
- 2.Bd6#
- 2.Bf6#
- 2.Qe3#
- 2.Qxe2#
- 2.Qd5#
- 2.Qd6#
- 1...exd2!
- threat
- 1.Qxa1+?
- 1...c3
- 2.Qxc3#
- 1...b2!
- 1...c3
- 1.Qb1?
- threat
- 2.Rd5#
- 1...Rf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Sf4
- 2.Bf6#
- 1...Sxb1!
- threat
- 1.Qh1?
- threat
- 2.Rd5#
- 2.Qd5#
- 1...Rf5
- 2.Rxf5#
- 1...Se4
- 2.Rd5#
- 2.Qxe4#
- 1...Sf4
- 2.Bf6#
- 1...Sf3!
- threat
- 1.Qc2?
- threat
- 2.Rd5#
- 1...Rf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Sf4
- 2.Bf6#
- 1...bxc2!
- threat
- 1.Qxc4?
- threat
- 2.Bd6#
- 2.Bf6#
- 2.Rd5#
- 2.Qd5#
- 2.Qe6#
- 2.Qxc5#
- 1...Rf5
- 2.Bd6#
- 2.Rd5#
- 2.Rxf5#
- 1...Rh6
- 2.Rd5#
- 2.Rf5#
- 2.Qd5#
- 2.Qxc5#
- 1...Bd4
- 2.Bd6#
- 2.Qd5#
- 2.Qe6#
- 1...Se4
- 2.Rd5#
- 2.Qd5#
- 2.Qe6#
- 2.Qxe4#
- 1...Sf4
- 2.Bd6#
- 2.Bf6#
- 2.Qxf4#
- 1...Sg5
- 2.Bd6#
- 2.Bf6#
- 2.Rd5#
- 2.Rf5#
- 2.Qd5#
- 2.Qf4#
- 2.Qxc5#
- 1...Sxc4!
- threat
- 1.Bh1?
- Keys
- 1.Qa3!
- threat
- 2.Qxc5#
- 1...Rf5
- 2.Rxf5#
- 1...Bd4
- 2.Bd6#
- 1...Se4
- 2.Rd5#
- 1...Sf4
- 2.Bf6#
- threat
- 1.Qa3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- R(i);N_GUARD::R1(G)
- R(i);N_GUARD::R1(G),XR(i)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::B(C)
- S(b);OGATE::QAR2(A),XP(d)
- S(b);SBLOCK::R1(F)
- S(e);SBLOCK::B(C)
- S(e);S_CUTR(i)::R1(G)
- P(c);S_CUTB(a)::QAB(A)
- Tries
- Try
- B(B);
- Threat
- R1(F)
- Vars
- R(i);N_GUARD::R1(G),XR(i)
- S(b);OGATE::QAR2(A),XP(d)
- S(e);SBLOCK::B(C)
- Refutation
- S(b);
- Try
- B(B);
- Threat
- R1(F)
- Vars
- R(i);N_GUARD::R1(G),XR(i)
- S(b);OGATE::QAR2(A),XP(d)
- S(e);SBLOCK::B(C)
- Refutation
- S(b);
- Try
- B(B);
- Threat
- R1(F)
- Vars
- S(b);OGATE,XB(B)::QAR2(A),XP(d)
- R(i);N_GUARD::R1(G),XR(i)
- S(e);SBLOCK::B(C)
- Refutation
- S(b);
- Try
- B(C);XP(g)
- Threat
- R(F)
- Vars
- R(i);N_GUARD::R1(G),XR(i)
- R(i);N_GUARD::R1(G)
- S(e);S_CUTR(i)::R1(G)
- Refutation
- S(e);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(e);XB(C)::R1(G)
- R(i);::R1(G)
- Refutation
- R(i);XB(C)
- Try
- R(F);
- Threat
- B(C)
- Vars
- P(f);OGATE,XR(F)::QAR2(A),XP(g)
- R(i);N_GUARD::R1(G)
- S(b);SBLOCK::R1(F)
- Refutation
- B(a);
- Try
- R(G);
- Threat
- B(C)
- Vars
- S(b);OGATE,XR(G)::QAR2(A),XP(d)
- R(i);N_GUARD::R1(G),XR(i)
- R(i);N_GUARD::R1(G)
- S(b);SBLOCK::R1(F)
- Refutation
- S(e);
- Try
- Q(A);XS(b)
- Threat
- DUALS(4)
- Vars
- B(a);::B(C)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);CHECK,XB(a)
- Vars
- P(f);P_SPINP(f)::QAB(A),XP(f)
- Refutation
- P(c);P_SPINP(c)
- Try
- Q(A);
- Threat
- R1(F)
- Vars
- S(e);SBLOCK::B(C)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(i);N_GUARD::R1(G),XR(i)
- S(e);SBLOCK::B(C)
- Refutation
- S(b);
- Try
- Q(A);
- Threat
- R1(F)
- Vars
- S(e);SBLOCK::B(C)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);XP(f)
- Threat
- DUALS(6)
- Refutation
- S(b);XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAR2(A),XP(g)
- Vars
- R(i);N_GUARD::R1(G),XR(i)
- B(a);SBLOCK::B(C)
- S(b);SBLOCK::R1(F)
- S(e);SBLOCK::B(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).