MESON Chess Problem Database
Problem Display
PID: 162201 (k7/1pK2p2/1PP2p2/3b1N2/2pQ1p2/1Np2Pn1/4p1Rn/6bR w - - 0 1)
Ibran, J Rodriguez
The Problemist, 2015
#2
9 + 12
SOLUTION
- SOUND
- Sets
- 1...Bf2
- 2.Ra1#
- 1...Be3
- 2.Ra1#
- 1...Bxd4
- 2.Ra1#
- 1...Bxf3
- 2.Qd8#
- 1...Be4
- 2.Qd8#
- 1...Bxc6
- 2.Qd8#
- 1...Be6
- 2.cxb7#
- 1...Shf1
- 2.Rh8#
- 1...Sxf3
- 2.Rh8#
- 1...Sg4
- 2.Rh8#
- 1...Sgf1
- 2.Rg8#
- 1...Sxh1
- 2.Rg8#
- 1...Se4
- 2.Rg8#
- 1...Sxf5
- 2.Rg8#
- 1...Sh5
- 2.Rg8#
- 1...e1Q
- 2.Ra2#
- 1...e1S
- 2.Ra2#
- 1...e1B
- 2.Ra2#
- 1...e1R
- 2.Ra2#
- 1...c2
- 2.Qa1#
- 1...cxb3
- 2.Qa4#
- 1...bxc6
- 2.b7#
- 1...Bf2
- Tries
- 1.Sc5?
- 1...Bxd4
- 2.Ra1#
- 1...Bxf3
- 2.Qd8#
- 1...Bxc6
- 2.Qd8#
- 1...Sxf3
- 2.Rh8#
- 1...Sxh1
- 2.Rg8#
- 1...Sxf5
- 2.Rg8#
- 1...e1Q
- 2.Ra2#
- 1...e1S
- 2.Ra2#
- 1...e1B
- 2.Ra2#
- 1...e1R
- 2.Ra2#
- 1...Bf2
- 2.Ra1#
- 1...Be3
- 2.Ra1#
- 1...Be4
- 2.Qd8#
- 1...Be6
- 2.cxb7#
- 1...Shf1
- 2.Rh8#
- 1...Sg4
- 2.Rh8#
- 1...Sgf1
- 2.Rg8#
- 1...Se4
- 2.Rg8#
- 1...Sh5
- 2.Rg8#
- 1...c2
- 2.Qa1#
- 1...bxc6!
- 1...Bxd4
- 1.Se3?
- 1...Bxe3
- 2.Ra1#
- 1...Bxf3
- 2.Qd8#
- 1...Bxc6
- 2.Qd8#
- 1...Sxf3
- 2.Rh8#
- 1...Sxh1
- 2.Rg8#
- 1...cxb3
- 2.Qa4#
- 1...bxc6
- 2.b7#
- 1...e1Q
- 2.Ra2#
- 1...e1S
- 2.Ra2#
- 1...e1B
- 2.Ra2#
- 1...e1R
- 2.Ra2#
- 1...Bf2
- 2.Ra1#
- 1...Be4
- 2.Qd8#
- 1...Be6
- 2.cxb7#
- 1...Shf1
- 2.Rh8#
- 1...Sg4
- 2.Rh8#
- 1...Sgf1
- 2.Rg8#
- 1...Se4
- 2.Rg8#
- 1...Sf5
- 2.Rg8#
- 1...Sh5
- 2.Rg8#
- 1...c2
- 2.Qa1#
- 1...f5
- 2.Qh8#
- 1...fxe3!
- 1...Bxe3
- 1.Sxg3?
- 1...Bxd4
- 2.Ra1#
- 1...Bxf3
- 2.Qd8#
- 1...Bxc6
- 2.Qd8#
- 1...Sxf3
- 2.Rh8#
- 1...cxb3
- 2.Qa4#
- 1...bxc6
- 2.b7#
- 1...e1Q
- 2.Ra2#
- 1...e1S
- 2.Ra2#
- 1...e1B
- 2.Ra2#
- 1...e1R
- 2.Ra2#
- 1...Bf2
- 2.Ra1#
- 1...Be3
- 2.Ra1#
- 1...Be4
- 2.Qd8#
- 1...Be6
- 2.cxb7#
- 1...Sf1
- 2.Rh8#
- 1...Sg4
- 2.Rh8#
- 1...c2
- 2.Qa1#
- 1...f5
- 2.Qh8#
- 1...fxg3!
- 1...Bxd4
- 1.Rhxg1?
- threat
- 2.Ra1#
- 1...Bxc6
- 2.Qd8#
- 1...e1Q
- 2.Ra2#
- 1...e1S
- 2.Ra2#
- 1...e1B
- 2.Ra2#
- 1...e1R
- 2.Ra2#
- 1...Sgf1
- 2.Rg8#
- 1...Shf1!
- threat
- 1.Rhxh2?
- threat
- 2.Rh8#
- 1...Bxc6
- 2.Qd8#
- 1...e1Q
- 2.Ra2#
- 1...e1R
- 2.Ra2#
- 1...Be6
- 2.cxb7#
- 1...Sh5
- 2.Rg8#
- 1...Bxh2!
- threat
- 1.Rxe2?
- threat
- 2.Ra2#
- 2.Re8#
- 1...Bxc6
- 2.Qd8#
- 1...cxb3
- 2.Re8#
- 2.Qa4#
- 1...Be3
- 2.Ra1#
- 2.Ra2#
- 1...Be4
- 2.Ra2#
- 2.Qd8#
- 1...Be6
- 2.Ra2#
- 2.cxb7#
- 1...Se4
- 2.Ra2#
- 1...c2
- 2.Re8#
- 2.Qa1#
- 1...Sxe2!
- threat
- 1.Rgxh2?
- threat
- 2.Rh8#
- 1...Bxh2
- 2.Ra1#
- 1...Bxc6
- 2.Qd8#
- 1...e1Q
- 2.Ra2#
- 1...e1R
- 2.Ra2#
- 1...Be6
- 2.cxb7#
- 1...Sh5!
- threat
- 1.Qxg1?
- threat
- 2.Qa1#
- 1...e1Q
- 2.Ra2#
- 1...e1S
- 2.Ra2#
- 1...e1B
- 2.Ra2#
- 1...e1R
- 2.Ra2#
- 1...Shf1
- 2.Rh8#
- 1...Sgf1
- 2.Rg8#
- 1...Bxc6!
- threat
- 1.Qxc3?
- threat
- 2.Qa1#
- 2.Qa5#
- 1...Bxc6
- 2.Qa5#
- 1...e1Q
- 2.Ra2#
- 1...e1B
- 2.Ra2#
- 1...e1R
- 2.Ra2#
- 2.Qa5#
- 1...Bd4
- 2.Ra1#
- 2.Qa5#
- 1...Bc5
- 2.Qa5#
- 1...Bxb6+!
- threat
- 1.Qc5?
- threat
- 2.Qa3#
- 2.Qf8#
- 2.Qa5#
- 1...Bxc6
- 2.Qa5#
- 1...e1Q
- 2.Ra2#
- 2.Qa3#
- 2.Qa5#
- 1...e1R
- 2.Ra2#
- 2.Qa3#
- 2.Qa5#
- 1...Be6
- 2.Qa3#
- 2.Qa5#
- 2.cxb7#
- 1...Bxc5!
- threat
- 1.Qxf6?
- threat
- 2.Qd8#
- 2.Qh8#
- 1...Bxc6
- 2.Qd8#
- 1...e1Q
- 2.Ra2#
- 2.Qd8#
- 1...e1R
- 2.Ra2#
- 2.Qd8#
- 1...Bd4
- 2.Ra1#
- 2.Qd8#
- 1...Bc5
- 2.Qd8#
- 1...Be6
- 2.cxb7#
- 1...Bxb6+!
- threat
- 1.Qxd5?
- threat
- 2.Qa5#
- 2.Qd8#
- 2.cxb7#
- 1...bxc6
- 2.Qxc6#
- 2.Qa5#
- 2.Qd8#
- 1...Bc5
- 2.Qd8#
- 2.cxb7#
- 1...Bxb6+!
- threat
- 1.Sc5?
- Keys
- 1.Se7!
- 1...Bxd4
- 2.Ra1#
- 1...Bxf3
- 2.Qd8#
- 1...Bxc6
- 2.Qd8#
- 1...Sxf3
- 2.Rh8#
- 1...Sxh1
- 2.Rg8#
- 1...cxb3
- 2.Qa4#
- 1...bxc6
- 2.b7#
- 1...e1Q
- 2.Ra2#
- 1...e1S
- 2.Ra2#
- 1...e1B
- 2.Ra2#
- 1...e1R
- 2.Ra2#
- 1...Bf2
- 2.Ra1#
- 1...Be3
- 2.Ra1#
- 1...Be4
- 2.Qd8#
- 1...Be6
- 2.cxb7#
- 1...Shf1
- 2.Rh8#
- 1...Sg4
- 2.Rh8#
- 1...Sgf1
- 2.Rg8#
- 1...Se4
- 2.Rg8#
- 1...Sf5
- 2.Rg8#
- 1...Sh5
- 2.Rg8#
- 1...c2
- 2.Qa1#
- 1...f5
- 2.Qh8#
- 1...Bxd4
- 1.Se7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);OGATE::R(A)
- B(a);OGATE,XQ(E)::R(A)
- B(h);OGATE,XP(D)::QAR(E)
- B(h);OGATE::QAR(E)
- B(h);OGATE,XP(H)::QAR(E)
- B(h);N_GUARD::P(H),XP(j)
- S(c);OGATE::R(A)
- S(c);OGATE,XP(D)::R(A)
- S(e);OGATE::R(B)
- S(e);OGATE,XR(A)::R(B)
- S(e);OGATE,XS(F)::R(B)
- P(b);OGATE::R(B)
- P(d);OGATE::QAB(E)
- P(f);OGATE,XS(C)::QAR(E)
- P(j);OGATE,XP(H)::P(G)
- Tries
- Try
- S(C);
- Vars
- B(a);OGATE,XQ(E)::R(A)
- B(h);OGATE,XP(D)::QAR(E)
- B(h);OGATE,XP(H)::QAR(E)
- S(c);OGATE,XP(D)::R(A)
- S(e);OGATE,XR(A)::R(B)
- S(e);OGATE,XS(F)::R(B)
- P(b);OGATE::R(B)
- B(a);OGATE::R(A)
- B(h);OGATE::QAR(E)
- B(h);N_GUARD::P(H),XP(j)
- S(c);OGATE::R(A)
- S(e);OGATE::R(B)
- P(d);OGATE::QAB(E)
- Refutation
- P(j);XP(H)
- Try
- S(F);
- Vars
- B(a);OGATE,XS(F)::R(A)
- B(h);OGATE,XP(D)::QAR(E)
- B(h);OGATE,XP(H)::QAR(E)
- S(c);OGATE,XP(D)::R(A)
- S(e);OGATE,XR(A)::R(B)
- P(f);OGATE,XS(C)::QAR(E)
- P(j);OGATE,XP(H)::P(G)
- P(b);OGATE::R(B)
- B(a);OGATE::R(A)
- B(h);OGATE::QAR(E)
- B(h);N_GUARD::P(H),XP(j)
- S(c);OGATE::R(A)
- S(e);OGATE::R(B)
- P(d);OGATE::QAB(E)
- P(i);OGATE::QAB1(E)
- Refutation
- P(g);XS(F)
- Try
- S(F);XS(e)
- Vars
- B(a);OGATE,XQ(E)::R(A)
- B(h);OGATE,XP(D)::QAR(E)
- B(h);OGATE,XP(H)::QAR(E)
- S(c);OGATE,XP(D)::R(A)
- P(f);OGATE,XS(C)::QAR(E)
- P(j);OGATE,XP(H)::P(G)
- P(b);OGATE::R(B)
- B(a);OGATE::R(A)
- B(h);OGATE::QAR(E)
- B(h);N_GUARD::P(H),XP(j)
- S(c);OGATE::R(A)
- P(d);OGATE::QAB(E)
- P(i);OGATE::QAB1(E)
- Refutation
- P(g);XS(F)
- Try
- R(A);XB(a)
- Threat
- R(A)
- Vars
- B(h);OGATE,XP(H)::QAR(E)
- P(b);OGATE::R(B)
- S(e);OGATE::R(B)
- Refutation
- S(c);
- Try
- R(A);XS(c)
- Threat
- R(A)
- Vars
- B(h);OGATE,XP(H)::QAR(E)
- P(b);OGATE::R(B)
- B(h);N_GUARD::P(H),XP(j)
- S(e);OGATE::R(B)
- Refutation
- B(a);XR(A)
- Try
- R(B);XP(b)
- Threat
- DUALS(2)
- Vars
- B(h);OGATE,XP(H)::QAR(E)
- S(e);::R(B)
- Refutation
- S(e);XR(B)
- Try
- R(B);XS(c)
- Threat
- R(B)
- Vars
- B(a);OGATE,XR(B)::R(A)
- B(h);OGATE,XP(H)::QAR(E)
- P(b);OGATE::R(B)
- B(h);N_GUARD::P(H),XP(j)
- Refutation
- S(e);
- Try
- Q(E);XB(a)
- Threat
- QAB(E)
- Vars
- P(b);OGATE::R(B)
- S(c);OGATE::R(A)
- S(e);OGATE::R(B)
- Refutation
- B(h);XP(H)
- Try
- Q(E);XP(d)
- Threat
- DUALS(2)
- Vars
- B(h);XP(H)::QAR(E)
- P(b);OGATE::R(B)
- B(a);::QAR(E)
- Refutation
- B(a);CHECK,XP(G)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- B(h);XP(H)::QAR(E)
- Refutation
- B(a);XQ(E)
- Try
- Q(E);XP(i)
- Threat
- DUALS(2)
- Vars
- B(h);XP(H)::QAR(E)
- B(a);::QAR(E)
- B(h);N_GUARD::P(H),XP(j)
- Refutation
- B(a);CHECK,XP(G)
- Try
- Q(E);XB(h)
- Threat
- DUALS(3)
- Refutation
- B(a);CHECK,XP(G)
- Try
- Actual
- S(F);
- Vars
- B(a);OGATE,XQ(E)::R(A)
- B(h);OGATE,XP(D)::QAR(E)
- B(h);OGATE,XP(H)::QAR(E)
- S(c);OGATE,XP(D)::R(A)
- S(e);OGATE,XR(A)::R(B)
- P(f);OGATE,XS(C)::QAR(E)
- P(j);OGATE,XP(H)::P(G)
- P(b);OGATE::R(B)
- B(a);OGATE::R(A)
- B(h);OGATE::QAR(E)
- B(h);N_GUARD::P(H),XP(j)
- S(c);OGATE::R(A)
- S(e);OGATE::R(B)
- P(d);OGATE::QAB(E)
- P(i);OGATE::QAB1(E)
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).