MESON Chess Problem Database
Problem Display
PID: 68187 (6R1/2p2NQ1/2PbR3/1K2p1pr/4pNpn/4BkP1/5P2/5Bn1 w - - 0 1)
Onkoud, Abdelaziz
Phenix, 1998
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Ba3
- 2.Sxe5#
- 1...Bb4
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Be7
- 2.Sxe5#
- 1...Bf8
- 2.Sxe5#
- 1...Se2
- 2.Bxe2#
- 1...Sh3
- 2.Be2#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sg6
- 2.Bg2#
- 1...gxf4
- 2.Qxg4#
- 1...Rh6
- Tries
- 1.Ka4?
- 1...gxf4
- 2.Qxg4#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Ba3
- 2.Sxe5#
- 1...Bb4
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Be7
- 2.Sxe5#
- 1...Bf8
- 2.Sxe5#
- 1...Se2
- 2.Bxe2#
- 1...Sh3
- 2.Be2#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sg6
- 2.Bg2#
- 1...exf4!
- 1...gxf4
- 1.Kc4?
- 1...gxf4
- 2.Qxg4#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Ba3
- 2.Sxe5#
- 1...Bb4
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Be7
- 2.Sxe5#
- 1...Bf8
- 2.Sxe5#
- 1...Se2
- 2.Bxe2#
- 1...Sh3
- 2.Be2#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sg6
- 2.Bg2#
- 1...exf4!
- 1...gxf4
- 1.Ka6?
- 1...gxf4
- 2.Qxg4#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Ba3
- 2.Sxe5#
- 1...Bb4
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Be7
- 2.Sxe5#
- 1...Bf8
- 2.Sxe5#
- 1...Se2
- 2.Bxe2#
- 1...Sh3
- 2.Be2#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sg6
- 2.Bg2#
- 1...exf4!
- 1...gxf4
- 1.Sg2?
- threat
- 2.Se1#
- 1...Bb4
- 2.Sxe5#
- 1...Sxg2!
- threat
- 1.Sxh5?
- threat
- 2.Sxg5#
- 1...Be7
- 2.Sxe5#
- 1...Sh3!
- threat
- 1.Rxd6?
- threat
- 2.Sxe5#
- 1...exf4
- 2.Se5#
- 1...gxf4
- 2.Qxg4#
- 1...Sg6
- 2.Bg2#
- 1...cxd6!
- threat
- 1.Rf6?
- 1...gxf4
- 2.Qxg4#
- 1...Sh3
- 2.Be2#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Ba3
- 2.Sxe5#
- 1...Bb4
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Be7
- 2.Sxe5#
- 1...Bf8
- 2.Sxe5#
- 1...Se2
- 2.Bxe2#
- 1...Sg2
- 2.Sxg2#
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sg6
- 2.Sxg6#
- 2.Bg2#
- 1...exf4!
- 1...gxf4
- 1.Rh6?
- 1...Rxh6
- 2.Sxg5#
- 1...gxf4
- 2.Qxg4#
- 1...Sh3
- 2.Be2#
- 1...Ba3
- 2.Sxe5#
- 1...Bb4
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Be7
- 2.Sxe5#
- 1...Bf8
- 2.Sxe5#
- 1...Se2
- 2.Bxe2#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sg6
- 2.Bg2#
- 1...exf4!
- 1...Rxh6
- 1.Re7?
- 1...Bxe7
- 2.Sxe5#
- 1...gxf4
- 2.Qxg4#
- 1...Sh3
- 2.Be2#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Ba3
- 2.Sxe5#
- 1...Bb4
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Se2
- 2.Bxe2#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sg6
- 2.Bg2#
- 1...exf4!
- 1...Bxe7
- 1.Ree8?
- 1...gxf4
- 2.Qxg4#
- 1...Sh3
- 2.Be2#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Ba3
- 2.Sxe5#
- 1...Bb4
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Be7
- 2.Sxe5#
- 1...Bf8
- 2.Sxe5#
- 1...Se2
- 2.Bxe2#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sg6
- 2.Bg2#
- 1...exf4!
- 1...gxf4
- 1.Qxe5?
- threat
- 2.Qxe4#
- 1...Bxe5
- 2.Sxe5#
- 1...gxf4!
- threat
- 1.Qxg5?
- threat
- 2.Qxg4#
- 1...Rxg5
- 2.Sxg5#
- 1...Sg6
- 2.Bg2#
- 1...exf4!
- threat
- 1.Qh7?
- 1...Rxh7
- 2.Sxg5#
- 1...exf4
- 2.Qxe4#
- 1...Sh3
- 2.Be2#
- 1...Rh6
- 2.Sxg5#
- 1...Ba3
- 2.Sxe5#
- 1...Bb4
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Be7
- 2.Sxe5#
- 1...Bf8
- 2.Sxe5#
- 1...Se2
- 2.Bxe2#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sg6
- 2.Bg2#
- 1...gxf4!
- 1...Rxh7
- 1.Ka4?
- Keys
- 1.Qg6!
- 1...Sxg6
- 2.Bg2#
- 1...exf4
- 2.Qxe4#
- 1...gxf4
- 2.Qxg4#
- 1...Sh3
- 2.Be2#
- 1...Rh6
- 2.Sxg5#
- 1...Rh7
- 2.Sxg5#
- 1...Rh8
- 2.Sxg5#
- 1...Ba3
- 2.Sxe5#
- 1...Bb4
- 2.Sxe5#
- 1...Bc5
- 2.Sxe5#
- 1...Be7
- 2.Sxe5#
- 1...Bf8
- 2.Sxe5#
- 1...Se2
- 2.Bxe2#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sxg6
- 1.Qg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD::S(I),XP(g)
- B(i);N_GUARD::S(I),XP(f)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::B(A)
- S(e);N_GUARD::B(A),XS(e)
- S(e);N_GUARD::B(A)
- P(g);OGATE,XS(E)::QAB1(J),XP(d)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- P(g);OGATE,XS(E)::QAB1(J),XP(d)
- R(h);N_GUARD::S(I),XP(g)
- B(i);N_GUARD::S(I),XP(f)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::B(A)
- S(e);N_GUARD::B(A),XS(e)
- S(e);N_GUARD::B(A)
- Refutation
- P(f);XS(E)
- Try
- K(F);S_FLIGHT
- Vars
- P(g);OGATE,XS(E)::QAB1(J),XP(d)
- R(h);N_GUARD::S(I),XP(g)
- B(i);N_GUARD::S(I),XP(f)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::B(A)
- S(e);N_GUARD::B(A),XS(e)
- S(e);N_GUARD::B(A)
- Refutation
- P(f);XS(E)
- Try
- K(F);S_FLIGHT
- Vars
- P(g);OGATE,XS(E)::QAB1(J),XP(d)
- R(h);N_GUARD::S(I),XP(g)
- B(i);N_GUARD::S(I),XP(f)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::B(A)
- S(e);N_GUARD::B(A),XS(e)
- S(e);N_GUARD::B(A)
- Refutation
- P(f);XS(E)
- Try
- S(E);
- Threat
- S(E)
- Vars
- B(i);N_GUARD::S(I),XP(f)
- Refutation
- S(e);XS(E)
- Try
- S(E);XR(h)
- Threat
- S(I),XP(g)
- Vars
- B(i);N_GUARD::S(I),XP(f)
- Refutation
- S(a);
- Try
- R(H);XB(i)
- Threat
- S(I),XP(f)
- Vars
- P(f);XS(E)::S(I)
- P(g);OGATE,XS(E)::QAB1(J),XP(d)
- S(e);N_GUARD::B(A)
- Refutation
- P(j);XR(H)
- Try
- R(H);
- Vars
- P(g);OGATE,P_SPINP(g),XS(E)::QAB1(J),XP(d)
- S(a);N_GUARD::B(A)
- R(h);N_GUARD::S(I),XP(g)
- B(i);N_GUARD::S(I),XP(f)
- S(a);N_GUARD::B(A),XS(a)
- S(e);N_GUARD::B(A)
- Refutation
- P(f);P_SPINP(f),XS(E)
- Try
- R(H);
- Vars
- R(h);N_GUARD,XR(H)::S(I),XP(g)
- P(g);OGATE,XS(E)::QAB1(J),XP(d)
- S(a);N_GUARD::B(A)
- B(i);N_GUARD::S(I),XP(f)
- S(a);N_GUARD::B(A),XS(a)
- S(e);N_GUARD::B(A),XS(e)
- S(e);N_GUARD::B(A)
- Refutation
- P(f);XS(E)
- Try
- R(H);
- Vars
- B(i);N_GUARD,XR(H)::S(I),XP(f)
- P(g);OGATE,XS(E)::QAB1(J),XP(d)
- S(a);N_GUARD::B(A)
- R(h);N_GUARD::S(I),XP(g)
- B(i);N_GUARD::S(I),XP(f)
- S(a);N_GUARD::B(A),XS(a)
- S(e);N_GUARD::B(A),XS(e)
- S(e);N_GUARD::B(A)
- Refutation
- P(f);XS(E)
- Try
- R(H);
- Vars
- P(g);OGATE,XS(E)::QAB1(J),XP(d)
- S(a);N_GUARD::B(A)
- R(h);N_GUARD::S(I),XP(g)
- B(i);N_GUARD::S(I),XP(f)
- S(a);N_GUARD::B(A),XS(a)
- S(e);N_GUARD::B(A),XS(e)
- S(e);N_GUARD::B(A)
- Refutation
- P(f);XS(E)
- Try
- Q(J);XP(f)
- Threat
- QAB1(J),XP(c)
- Vars
- B(i);XQ(J)::S(I),XB(i)
- Refutation
- P(g);P_PINQ(J),XS(E)
- Try
- Q(J);XP(g)
- Threat
- QAB1(J),XP(d)
- Vars
- R(h);XQ(J)::S(I),XR(h)
- S(e);N_GUARD::B(A)
- Refutation
- P(f);P_PINQ(J),XS(E)
- Try
- Q(J);
- Vars
- R(h);N_GUARD,XQ(J)::S(I),XP(g)
- P(f);XS(E)::QAB1(J),XP(c)
- S(a);N_GUARD::B(A)
- R(h);N_GUARD::S(I),XP(g)
- B(i);N_GUARD::S(I),XP(f)
- S(a);N_GUARD::B(A),XS(a)
- S(e);N_GUARD::B(A),XS(e)
- S(e);N_GUARD::B(A)
- Refutation
- P(g);XS(E)
- Try
- Actual
- Q(J);
- Vars
- S(e);N_GUARD,XQ(J)::B(A)
- P(f);XS(E)::QAB1(J),XP(c)
- P(g);OGATE,XS(E)::QAB1(J),XP(d)
- S(a);N_GUARD::B(A)
- R(h);N_GUARD::S(I),XP(g)
- B(i);N_GUARD::S(I),XP(f)
- S(a);N_GUARD::B(A),XS(a)
- S(e);N_GUARD::B(A),XS(e)
- S(e);N_GUARD::B(A)
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).