MESON Chess Problem Database
Problem Display
PID: 252853 (1KB4B/4p3/R2P1pN1/1ppk4/1pn3R1/1Q3P2/2N5/4rb2 w - - 0 1)
Uris, Miguel
Problemas, 2021
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Se3#
- 1...Rb1
- 2.Se3#
- 1...Rc1
- 2.Se3#
- 1...Rd1
- 2.Se3#
- 1...Re2
- 2.Qd3#
- 1...Re3
- 2.Sxe3#
- 1...Re4
- 2.fxe4#
- 1...Re5
- 2.Sf4#
- 1...Re6
- 2.Bb7#
- 1...Be2
- 2.Se3#
- 1...Bg2
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 1...Bh3
- 2.Qd3#
- 1...f5
- 2.Sf4#
- 1...e5
- 2.Se7#
- 1...e6
- 2.Bb7#
- 1...Ra1
- Tries
- 1.Ka7?
- 1...Ra1
- 2.Se3#
- 1...Rb1
- 2.Se3#
- 1...Rc1
- 2.Se3#
- 1...Rd1
- 2.Se3#
- 1...Re2
- 2.Qd3#
- 1...Re3
- 2.Sxe3#
- 1...Re4
- 2.fxe4#
- 1...Re5
- 2.Sf4#
- 1...Re6
- 2.Bb7#
- 1...Be2
- 2.Se3#
- 1...Bg2
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 1...Bh3
- 2.Qd3#
- 1...f5
- 2.Sf4#
- 1...e5
- 2.Se7#
- 1...e6
- 2.Bb7#
- 1...exd6!
- 1...Ra1
- 1.Ka8?
- 1...Ra1
- 2.Se3#
- 1...Rb1
- 2.Se3#
- 1...Rc1
- 2.Se3#
- 1...Rd1
- 2.Se3#
- 1...Re2
- 2.Qd3#
- 1...Re3
- 2.Sxe3#
- 1...Re4
- 2.fxe4#
- 1...Re5
- 2.Sf4#
- 1...Re6
- 2.Bb7#
- 1...Be2
- 2.Se3#
- 1...Bg2
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 1...Bh3
- 2.Qd3#
- 1...f5
- 2.Sf4#
- 1...e5
- 2.Se7#
- 1...e6
- 2.Bb7#
- 1...exd6!
- 1...Ra1
- 1.Bxf6?
- threat
- 2.Sf4#
- 1...Re4
- 2.fxe4#
- 1...e5
- 2.Se7#
- 1...exf6!
- threat
- 1.Bg7?
- 1...Re6
- 2.Bb7#
- 1...Ra1
- 2.Se3#
- 1...Rb1
- 2.Se3#
- 1...Rc1
- 2.Se3#
- 1...Rd1
- 2.Se3#
- 1...Re2
- 2.Qd3#
- 1...Re3
- 2.Sxe3#
- 1...Re4
- 2.fxe4#
- 1...Re5
- 2.Sf4#
- 1...Be2
- 2.Se3#
- 1...Bg2
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 1...Bh3
- 2.Qd3#
- 1...f5
- 2.Sf4#
- 1...e5
- 2.Se7#
- 1...e6
- 2.Bb7#
- 1...exd6!
- 1...Re6
- 1.Re4?
- threat
- 2.Sf4#
- 2.Sxe7#
- 2.Be6#
- 2.Bb7#
- 1...exd6
- 2.Sf4#
- 2.Se7#
- 2.Be6#
- 2.Bb7#
- 1...Bh3
- 2.Sf4#
- 2.Sxe7#
- 2.Bb7#
- 2.Qd3#
- 1...e5
- 2.Se7#
- 1...e6
- 2.Sf4#
- 2.Se7#
- 2.Bxe6#
- 2.Bb7#
- 1...Rxe4!
- threat
- 1.Rh4?
- 1...Re6
- 2.Bb7#
- 1...Ra1
- 2.Se3#
- 1...Rb1
- 2.Se3#
- 1...Rc1
- 2.Se3#
- 1...Rd1
- 2.Se3#
- 1...Re2
- 2.Qd3#
- 1...Re3
- 2.Sxe3#
- 1...Re4
- 2.fxe4#
- 1...Re5
- 2.Sf4#
- 1...Be2
- 2.Se3#
- 1...Bg2
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 1...Bh3
- 2.Qd3#
- 1...f5
- 2.Sf4#
- 1...e5
- 2.Se7#
- 1...e6
- 2.Bb7#
- 1...exd6!
- 1...Re6
- 1.Rg5+?
- 1...Re5
- 2.Sf4#
- 2.Sxe7#
- 1...f5
- 2.Sf4#
- 1...e5
- 2.Sf4#
- 2.Se7#
- 1...fxg5!
- 1...Re5
- 1.Rb6?
- 1...Re6
- 2.Bb7#
- 1...Ra1
- 2.Se3#
- 1...Rb1
- 2.Se3#
- 1...Rc1
- 2.Se3#
- 1...Rd1
- 2.Se3#
- 1...Re2
- 2.Qd3#
- 1...Re3
- 2.Sxe3#
- 1...Re4
- 2.fxe4#
- 1...Re5
- 2.Sf4#
- 1...Be2
- 2.Se3#
- 1...Bg2
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 1...Bh3
- 2.Qd3#
- 1...f5
- 2.Sf4#
- 1...e5
- 2.Se7#
- 1...e6
- 2.Bb7#
- 1...exd6!
- 1...Re6
- 1.dxe7?
- threat
- 2.Bb7#
- 1...Re6
- 2.Bxe6#
- 1...Rxe7!
- threat
- 1.d7?
- threat
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...Ra1
- 2.Se3#
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...Rb1
- 2.Se3#
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...Rc1
- 2.Se3#
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...Rd1
- 2.Se3#
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...Re2
- 2.Bb7#
- 2.Qd3#
- 2.d8Q#
- 2.d8R#
- 1...Re3
- 2.Sxe3#
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...Re4
- 2.Bb7#
- 2.fxe4#
- 2.d8Q#
- 2.d8R#
- 1...Re5
- 2.Sf4#
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...Be2
- 2.Se3#
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...Bg2
- 2.Bb7#
- 2.Qd3#
- 2.d8Q#
- 2.d8R#
- 1...Bd3
- 2.Bb7#
- 2.Qxd3#
- 2.d8Q#
- 2.d8R#
- 1...Bh3
- 2.Bb7#
- 2.Qd3#
- 2.d8Q#
- 2.d8R#
- 1...f5
- 2.Sf4#
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...e5
- 2.Se7#
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...e6
- 2.Bb7#
- 2.d8Q#
- 2.d8R#
- 1...Re6!
- threat
- 1.Ka7?
- Keys
- 1.Kc7!
- 1...exd6
- 2.Rxd6#
- 1...Ra1
- 2.Se3#
- 1...Rb1
- 2.Se3#
- 1...Rc1
- 2.Se3#
- 1...Rd1
- 2.Se3#
- 1...Re2
- 2.Qd3#
- 1...Re3
- 2.Sxe3#
- 1...Re4
- 2.fxe4#
- 1...Re5
- 2.Sf4#
- 1...Re6
- 2.Bb7#
- 1...Be2
- 2.Se3#
- 1...Bg2
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 1...Bh3
- 2.Qd3#
- 1...f5
- 2.Sf4#
- 1...e5
- 2.Se7#
- 1...e6
- 2.Bb7#
- 1...exd6
- 1.Kc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::S(A)
- R(a);S_CUTB(b)::QAR2(B)
- R(a);N_GUARD::S(A),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(a);SBLOCK::S(G)
- R(a);SBLOCK::B(I)
- B(b);S_CUTR(a)::S(A)
- B(b);N_GUARD::QAR2(B)
- B(b);N_GUARD::QAR2(B),XB(b)
- P(h);::S(G)
- P(i);SBLOCK,S_CUTR(a)::S(G)
- P(i);SBLOCK::B(I)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- R(a);N_GUARD,P_PINR(E)::S(A)
- R(a);N_GUARD::S(A)
- R(a);S_CUTB(b)::QAR2(B)
- R(a);N_GUARD::S(A),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(a);SBLOCK::S(G)
- R(a);SBLOCK::B(I)
- B(b);S_CUTR(a)::S(A)
- B(b);N_GUARD::QAR2(B)
- B(b);N_GUARD::QAR2(B),XB(b)
- P(h);::S(G)
- P(i);SBLOCK,S_CUTR(a)::S(G)
- P(i);SBLOCK::B(I)
- Refutation
- P(i);XP(F)
- Try
- K(H);P-FLIGHT
- Vars
- R(a);N_GUARD,P_PINR(E)::S(A)
- R(a);N_GUARD::S(A)
- R(a);S_CUTB(b)::QAR2(B)
- R(a);N_GUARD::S(A),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(a);SBLOCK::S(G)
- R(a);SBLOCK::B(I)
- B(b);S_CUTR(a)::S(A)
- B(b);N_GUARD::QAR2(B)
- B(b);N_GUARD::QAR2(B),XB(b)
- P(h);::S(G)
- P(i);SBLOCK,S_CUTR(a)::S(G)
- P(i);SBLOCK::B(I)
- Refutation
- P(i);XP(F)
- Try
- B(J);XP(h)
- Threat
- S(G)
- Vars
- R(a);OGATE::P(C),XR(a)
- P(i);S_CUTR(a)::S(G)
- Refutation
- P(i);XB(J)
- Try
- B(J);
- Vars
- R(a);SBLOCK::B(I)
- R(a);N_GUARD::S(A)
- R(a);S_CUTB(b)::QAR2(B)
- R(a);N_GUARD::S(A),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(a);SBLOCK::S(G)
- B(b);S_CUTR(a)::S(A)
- B(b);N_GUARD::QAR2(B)
- B(b);N_GUARD::QAR2(B),XB(b)
- P(h);::S(G)
- P(i);SBLOCK,S_CUTR(a)::S(G)
- P(i);SBLOCK::B(I)
- Refutation
- P(i);XP(F)
- Try
- R(D);
- Threat
- DUALS(4)
- Vars
- P(i);::S(G)
- Refutation
- R(a);XR(D)
- Try
- R(D);
- Vars
- R(a);SBLOCK::B(I)
- R(a);N_GUARD::S(A)
- R(a);S_CUTB(b)::QAR2(B)
- R(a);N_GUARD::S(A),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(a);SBLOCK::S(G)
- B(b);S_CUTR(a)::S(A)
- B(b);N_GUARD::QAR2(B)
- B(b);N_GUARD::QAR2(B),XB(b)
- P(h);::S(G)
- P(i);SBLOCK,S_CUTR(a)::S(G)
- P(i);SBLOCK::B(I)
- Refutation
- P(i);XP(F)
- Try
- R(D);CHECK
- Vars
- P(h);P_SPINP(h)::S(G)
- Refutation
- P(h);XR(D)
- Try
- R(E);
- Vars
- R(a);SBLOCK::B(I)
- R(a);N_GUARD::S(A)
- R(a);S_CUTB(b)::QAR2(B)
- R(a);N_GUARD::S(A),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(a);SBLOCK::S(G)
- B(b);S_CUTR(a)::S(A)
- B(b);N_GUARD::QAR2(B)
- B(b);N_GUARD::QAR2(B),XB(b)
- P(h);::S(G)
- P(i);SBLOCK,S_CUTR(a)::S(G)
- P(i);SBLOCK::B(I)
- Refutation
- P(i);XP(F)
- Try
- P(F);XP(i)
- Threat
- B(I)
- Vars
- R(a);N_GUARD::B(I),XR(a)
- Refutation
- R(a);XP(F)
- Try
- P(F);
- Threat
- DUALS(3)
- Refutation
- R(a);
- Try
- Actual
- K(H);S_FLIGHT
- Vars
- P(i);OGATE,XP(F)::R1(E),XP(i)
- R(a);N_GUARD::S(A)
- R(a);S_CUTB(b)::QAR2(B)
- R(a);N_GUARD::S(A),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(a);SBLOCK::S(G)
- R(a);SBLOCK::B(I)
- B(b);S_CUTR(a)::S(A)
- B(b);N_GUARD::QAR2(B)
- B(b);N_GUARD::QAR2(B),XB(b)
- P(h);::S(G)
- P(i);SBLOCK,S_CUTR(a)::S(G)
- P(i);SBLOCK::B(I)
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).