MESON Chess Problem Database
Problem Display
PID: 158570 (8/5p2/p1Q1b2b/1r6/2pk3r/1pN3R1/1K1P3B/1n2RB2 w - - 0 1)
Leibovici, Paul
Comm., Israel Ring Ty., 1952/I
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxh2
- 2.Re4#
- 1...Rh3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Rhh5
- 2.Re4#
- 1...Rd5
- 2.Qxc4#
- 1...Rg5
- 2.Bg1#
- 1...Rb6
- 2.Qxb6#
- 1...Bh3
- 2.Qxc4#
- 1...Bg4
- 2.Re4#
- 2.Qxc4#
- 1...Bf5
- 2.Qxc4#
- 1...Bd7
- 2.Qxc4#
- 1...Bc8
- 2.Qxc4#
- 1...Bf4
- 2.Re4#
- 1...Bg7
- 2.Bg1#
- 1...Bf8
- 2.Bg1#
- 1...Sxc3
- 2.dxc3#
- 1...a5
- 2.Sxb5#
- 1...Rxh2
- Tries
- 1.Ree3?
- threat
- 2.Se2#
- 1...Rxh2
- 2.Re4#
- 1...Sxc3
- 2.dxc3#
- 1...Re4
- 2.Rxe4#
- 1...Bg4
- 2.Re4#
- 2.Qxc4#
- 1...Bxe3!
- threat
- 1.Rxe6?
- threat
- 2.Se2#
- 2.Qxc4#
- 1...Rxh2
- 2.Re4#
- 2.Qxc4#
- 1...Sxd2
- 2.Se2#
- 1...Sxc3
- 2.Qxc4#
- 2.dxc3#
- 1...Re4
- 2.Rxe4#
- 2.Qxc4#
- 1...Rb4
- 2.Se2#
- 2.Qd5#
- 2.Qd6#
- 1...Rc5
- 2.Se2#
- 1...Re5
- 2.Qxc4#
- 1...Be3
- 2.Qxc4#
- 2.dxe3#
- 1...Sa3
- 2.Se2#
- 1...fxe6!
- threat
- 1.Rge3?
- threat
- 2.Se2#
- 1...Rxh2
- 2.Re4#
- 1...Bxe3
- 2.dxe3#
- 1...Sxc3
- 2.dxc3#
- 1...Bg4
- 2.Re4#
- 2.Qxc4#
- 1...Sxd2!
- threat
- 1.Rh3?
- threat
- 2.Se2#
- 1...Rxh3
- 2.Re4#
- 1...Bxh3
- 2.Qxc4#
- 1...Sxc3
- 2.dxc3#
- 1...Re4
- 2.Rxe4#
- 1...Rd5
- 2.Qxc4#
- 1...Re5
- 2.Bxe5#
- 1...Bg4
- 2.Re4#
- 2.Qxc4#
- 1...Bd5
- 2.Be5#
- 1...Be3
- 2.dxe3#
- 1...Bf4
- 2.Re4#
- 1...Rf4!
- threat
- 1.Rg4+?
- 1...Bxg4
- 2.Re4#
- 2.Qxc4#
- 1...Bf4
- 2.Bg1#
- 2.Re4#
- 1...Rxg4!
- 1...Bxg4
- 1.Qxb5?
- threat
- 2.Qe5#
- 2.Qb6#
- 1...Sxc3
- 2.Qe5#
- 2.dxc3#
- 1...Re4
- 2.Rxe4#
- 1...Rh5
- 2.Re4#
- 1...Bd5
- 2.Qxd5#
- 2.Qb6#
- 1...Be3
- 2.dxe3#
- 1...Bf4
- 2.Re4#
- 2.Qb6#
- 1...Bg7
- 2.Bg1#
- 2.Qb6#
- 1...Bf8
- 2.Bg1#
- 2.Qe5#
- 1...f6
- 2.Qb6#
- 1...axb5!
- threat
- 1.Ree3?
- Keys
- 1.Rf3!
- threat
- 2.Se2#
- 1...Rxh2
- 2.Re4#
- 1...Sxc3
- 2.dxc3#
- 1...Re4
- 2.Rxe4#
- 1...Rf4
- 2.Bg1#
- 1...Rd5
- 2.Qxc4#
- 1...Re5
- 2.Bxe5#
- 1...Bd5
- 2.Be5#
- 1...Be3
- 2.dxe3#
- 1...Bf4
- 2.Re4#
- threat
- 1.Rf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 11
- Sets
- R(e);N_GUARD,P_PINP(D),XB(E)::R1(A)
- R(e);N_GUARD::R1(A)
- R(e);N_GUARD::R1(A),XR(e)
- R(f);S_CUTB(h)::QAR1(H),XP(c)
- R(f);S_CUTB(i)::B(E)
- R(f);N_GUARD::QAB(H),XR(f)
- B(h);N_GUARD::QAR1(H),XP(c)
- B(i);S_CUTR(e)::R1(A)
- B(i);N_GUARD::B(E)
- S(a);OGATE,XS(F)::P(D),XS(a)
- P(g);N_GUARD::S(F),XR(f)
- Tries
- Try
- R(A);
- Threat
- S(F)
- Vars
- R(e);N_GUARD,P_PINP(D),XB(E)::R1(A)
- S(a);OGATE,XS(F)::P(D),XS(a)
- R(e);N_GUARD::R1(A),XR(e)
- Refutation
- B(i);XR(A)
- Try
- R(A);XB(h)
- Threat
- DUALS(2)
- Vars
- S(a);XP(D)::S(F)
- R(f);::S(F)
- R(f);::QAR1(H),XP(c)
- S(a);::S(F)
- Refutation
- P(j);XR(A)
- Try
- R(G);
- Threat
- S(F)
- Vars
- R(e);N_GUARD,P_PINP(D),XB(E)::R1(G)
- B(i);OGATE,XR(G)::P(D),XB(i)
- S(a);OGATE,XS(F)::P(D),XS(a)
- Refutation
- S(a);XP(D)
- Try
- R(G);
- Threat
- S(F)
- Vars
- R(e);N_GUARD,XR(G)::R1(A)
- B(h);N_GUARD,XR(G)::QAR1(H),XP(c)
- S(a);OGATE,XS(F)::P(D),XS(a)
- R(e);N_GUARD::R1(A),XR(e)
- R(f);S_CUTB(h)::QAR1(H),XP(c)
- R(f);N_GUARD::B(E),XR(f)
- B(h);S_CUTR(f)::B(E)
- B(i);OGATE::P(D),XB(i)
- B(i);S_CUTR(e)::R1(A)
- Refutation
- R(e);
- Try
- R(G);CHECK
- Refutation
- R(e);XR(G)
- Try
- Q(H);XR(f)
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD::R1(A),XR(e)
- R(e);N_GUARD::R1(A)
- B(i);OGATE::P(D),XB(i)
- P(j);::QAB(H)
- Refutation
- P(g);XQ(H)
- Try
- Actual
- R(G);
- Threat
- S(F)
- Vars
- R(e);N_GUARD,P_PINP(D),XB(E)::R1(A)
- S(a);OGATE,XS(F)::P(D),XS(a)
- R(e);N_GUARD::R1(A),XR(e)
- R(e);S_CUTB(i)::B(E)
- R(f);S_CUTB(h)::QAR1(H),XP(c)
- R(f);N_GUARD::B(E),XR(f)
- B(h);S_CUTR(f)::B(E)
- B(i);OGATE::P(D),XB(i)
- B(i);S_CUTR(e)::R1(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).