MESON Chess Problem Database
Problem Display
PID: 191298 (2K5/b3N3/r1p5/p4R1p/3kP1nB/Q2P4/p4P2/qb2N1n1 w - - 0 1)
Coello Alonso, Jose Antonio
Uris, Miguel
BCPS Website, 2019
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Qxb2#
- 1...Qc3
- 2.Qd6#
- 1...Rb6
- 2.Qc5#
- 1...Bc2
- 2.Sxc2#
- 1...Bxd3
- 2.Qxd3#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sxc6#
- 1...Bb8
- 2.Qc5#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...Sxf2
- 2.Bxf2#
- 1...Sh2
- 2.Bf6#
- 1...Se3
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...a4
- 2.Qb4#
- 1...c5
- 2.Rd5#
- 1...Qb2
- Tries
- 1.Kd7?
- 1...Sf6+
- 2.Bxf6#
- 1...Bxd3
- 2.Qxd3#
- 1...Sxf2
- 2.Bxf2#
- 1...Qb2
- 2.Qxb2#
- 1...Qc3
- 2.Qd6#
- 1...Rb6
- 2.Qc5#
- 1...Bc2
- 2.Sxc2#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sxc6#
- 1...Bb8
- 2.Qc5#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...Sh2
- 2.Bf6#
- 1...Se3
- 2.Bf6#
- 1...Sh6
- 2.Bf6#
- 1...a4
- 2.Qb4#
- 1...c5
- 2.Rd5#
- 1...Se5+!
- 1...Sf6+
- 1.Bg3?
- 1...Bxd3
- 2.Qxd3#
- 1...Sxf2
- 2.Bxf2#
- 1...Se5
- 2.Bxe5#
- 1...Qb2
- 2.Qxb2#
- 1...Qc3
- 2.Qd6#
- 1...Rb6
- 2.Qc5#
- 1...Bc2
- 2.Sxc2#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sxc6#
- 1...Bb8
- 2.Qc5#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...Sh2
- 2.Be5#
- 1...Se3
- 2.Be5#
- 1...Sf6
- 2.Be5#
- 1...Sh6
- 2.Be5#
- 1...a4
- 2.Qb4#
- 1...c5
- 2.Rd5#
- 1...h4!
- 1...Bxd3
- 1.Bf6+?
- 1...Se5
- 2.Bxe5#
- 1...Sxf6!
- 1...Se5
- 1.Rxa5?
- threat
- 2.Sf5#
- 2.Qb4#
- 1...Rxa5
- 2.Sxc6#
- 1...Bxd3
- 2.Qxd3#
- 1...Sxf2
- 2.Sf5#
- 2.Bxf2#
- 1...Bc5
- 2.Qxc5#
- 1...Se5
- 2.Sf5#
- 1...Qb2
- 2.Sf5#
- 2.Qxb2#
- 1...Qc3
- 2.Sf5#
- 2.Qd6#
- 1...Rb6
- 2.Sf5#
- 2.Qc5#
- 1...Se3
- 2.Bf6#
- 1...Sh6
- 2.Bf6#
- 2.Qb4#
- 1...c5!
- threat
- 1.Kd7?
- Keys
- 1.Rxh5!
- 1...Bxd3
- 2.Qxd3#
- 1...Sxf2
- 2.Bxf2#
- 1...Se5
- 2.Sf5#
- 1...Qb2
- 2.Qxb2#
- 1...Qc3
- 2.Qd6#
- 1...Rb6
- 2.Qc5#
- 1...Bc2
- 2.Sxc2#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sxc6#
- 1...Bb8
- 2.Qc5#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...Sh2
- 2.Bf6#
- 1...Se3
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...a4
- 2.Qb4#
- 1...c5
- 2.Rd5#
- 1...Bxd3
- 1.Rxh5!
This is a version of 191297
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(a);N_GUARD::QAB(C),XQ(a)
- Q(a);SBLOCK::QAR2(C)
- R(i);S_CUTB(k)::QAB1(C)
- B(b);N_GUARD::S(A),XB(b)
- B(b);OGATE,XP(D)::QAR1(C),XB(b)
- B(k);N_GUARD::QAB1(C),XB(k)
- B(k);S_CUTR(i)::S(H),XP(j)
- B(k);N_GUARD::QAB1(C)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(f);OGATE,XP(B)::B(F),XS(f)
- S(f);N_GUARD::B(F)
- S(f);N_GUARD::B(F),XS(f)
- P(g);N_GUARD::QAR2(C)
- P(j);N_GUARD::R1(G)
- Tries
- Try
- K(I);S_FLIGHT
- Vars
- S(f);CHECK,N_GUARD::B(F),XS(f)
- B(b);OGATE,XP(D)::QAR1(C),XB(b)
- S(f);OGATE,XP(B)::B(F),XS(f)
- Q(a);N_GUARD::QAB(C),XQ(a)
- Q(a);SBLOCK::QAR2(C)
- R(i);S_CUTB(k)::QAB1(C)
- B(b);N_GUARD::S(A),XB(b)
- B(k);N_GUARD::QAB1(C),XB(k)
- B(k);S_CUTR(i)::S(H),XP(j)
- B(k);N_GUARD::QAB1(C)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(f);N_GUARD::B(F)
- P(g);N_GUARD::QAR2(C)
- P(j);N_GUARD::R1(G)
- Refutation
- S(f);CHECK
- Try
- B(F);
- Vars
- B(b);OGATE,XP(D)::QAR1(C),XB(b)
- S(f);OGATE,XP(B)::B(F),XS(f)
- S(f);N_GUARD::B(F),XS(f)
- Q(a);N_GUARD::QAB(C),XQ(a)
- Q(a);SBLOCK::QAR2(C)
- R(i);S_CUTB(k)::QAB1(C)
- B(b);N_GUARD::S(A),XB(b)
- B(k);N_GUARD::QAB1(C),XB(k)
- B(k);S_CUTR(i)::S(H),XP(j)
- B(k);N_GUARD::QAB1(C)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(f);N_GUARD::B(F)
- P(g);N_GUARD::QAR2(C)
- P(j);N_GUARD::R1(G)
- Refutation
- P(h);
- Try
- B(F);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::B(F),XS(f)
- Refutation
- S(f);XB(F)
- Try
- R(G);XP(g)
- Threat
- DUALS(2)
- Vars
- R(i);N_GUARD,XR(G)::S(H),XP(j)
- B(b);OGATE,XP(D)::QAR1(C),XB(b)
- B(k);N_GUARD::QAB1(C),XB(k)
- S(f);::S(H)
- S(f);N_GUARD::B(F)
- Refutation
- P(j);
- Try
- Actual
- R(G);XP(h)
- Vars
- B(b);OGATE,XP(D)::QAR1(C),XB(b)
- S(f);OGATE,XP(B)::B(F),XS(f)
- S(f);SBLOCK::S(H)
- Q(a);N_GUARD::QAB(C),XQ(a)
- Q(a);SBLOCK::QAR2(C)
- R(i);S_CUTB(k)::QAB1(C)
- B(b);N_GUARD::S(A),XB(b)
- B(k);N_GUARD::QAB1(C),XB(k)
- B(k);S_CUTR(i)::S(H),XP(j)
- B(k);N_GUARD::QAB1(C)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(f);N_GUARD::B(F)
- S(f);N_GUARD::B(F),XS(f)
- P(g);N_GUARD::QAR2(C)
- P(j);N_GUARD::R1(G)
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).