MESON Chess Problem Database
Problem Display
PID: 10063 (nr5B/2p2BR1/2p1PkN1/2PP2p1/p2RP1p1/2N3p1/1Q5r/K6n w - - 0 1)
Apro, Laszlo
3rd Prize, Smer, 1961
#2
12 + 11
SOLUTION
- SOUND
- Sets
- 1...Rhxb2
- 2.Rg8#
- 1...Rc2
- 2.Rg8#
- 1...Rd2
- 2.Rg8#
- 1...Re2
- 2.Rg8#
- 1...Rf2
- 2.Rg8#
- 1...Rg2
- 2.Rg8#
- 1...Rbxb2
- 2.Rh7#
- 1...Rb3
- 2.Rh7#
- 1...Rb4
- 2.Rh7#
- 1...Rb5
- 2.Rh7#
- 1...Rb6
- 2.Rh7#
- 1...Rb7
- 2.Rh7#
- 1...cxd5
- 2.Sxd5#
- 1...Rhxb2
- Tries
- 1.Sxa4?
- 1...Rhxb2
- 2.Rg8#
- 1...Rhxh8
- 2.Rb4#
- 1...Rbxb2
- 2.Rh7#
- 1...Rbxh8
- 2.Rd2#
- 1...Rc2
- 2.Rg8#
- 1...Rd2
- 2.Rg8#
- 1...Re2
- 2.Rg8#
- 1...Rf2
- 2.Rg8#
- 1...Rg2
- 2.Rg8#
- 1...Rh3
- 2.Rb4#
- 1...Rh4
- 2.Rb4#
- 1...Rh5
- 2.Rb4#
- 1...Rh6
- 2.Rb4#
- 1...Rh7
- 2.Rb4#
- 1...Rb3
- 2.Rh7#
- 1...Rb4
- 2.Rh7#
- 1...Rb5
- 2.Rh7#
- 1...Rb6
- 2.Rh7#
- 1...Rb7
- 2.Rh7#
- 1...Rc8
- 2.Rd2#
- 1...Rd8
- 2.Rd2#
- 1...Re8
- 2.Rd2#
- 1...Rf8
- 2.Rd2#
- 1...Rg8
- 2.Rd2#
- 1...Sf2
- 2.Rb4#
- 1...Sb6
- 2.Rd2#
- 1...g2
- 2.Rb4#
- 1...cxd5!
- 1...Rhxb2
- 1.Rd1?
- 1...Rhxb2
- 2.Rg8#
- 1...Rhxh8
- 2.Sb5#
- 1...Rbxb2
- 2.Rh7#
- 1...Rbxh8
- 2.Se2#
- 1...cxd5
- 2.Sxd5#
- 1...Rc2
- 2.Rg8#
- 1...Rd2
- 2.Rg8#
- 1...Re2
- 2.Rg8#
- 1...Rf2
- 2.Rg8#
- 1...Rg2
- 2.Rg8#
- 1...Rh3
- 2.Sb5#
- 1...Rh4
- 2.Sb5#
- 1...Rh5
- 2.Sb5#
- 1...Rh6
- 2.Sb5#
- 1...Rh7
- 2.Sb5#
- 1...Rb3
- 2.Rh7#
- 1...Rb4
- 2.Rh7#
- 1...Rb5
- 2.Rh7#
- 1...Rb6
- 2.Rh7#
- 1...Rb7
- 2.Rh7#
- 1...Rc8
- 2.Se2#
- 1...Rd8
- 2.Se2#
- 1...Re8
- 2.Se2#
- 1...Rf8
- 2.Se2#
- 1...Rg8
- 2.Se2#
- 1...Sf2
- 2.Sb5#
- 1...Sb6
- 2.Se2#
- 1...g2
- 2.Sb5#
- 1...a3!
- 1...Rhxb2
- 1.Rd2?
- threat
- 2.Sb5#
- 1...Rxd2
- 2.Rg8#
- 1...Rxb2
- 2.Rh7#
- 1...cxd5
- 2.Sxd5#
- 1...Rb3
- 2.Rh7#
- 1...Rb4
- 2.Rh7#
- 1...Rb5
- 2.Sxb5#
- 2.Rh7#
- 1...a3!
- threat
- 1.Rd3?
- 1...Rhxb2
- 2.Rg8#
- 1...Rhxh8
- 2.Sb5#
- 1...Rbxb2
- 2.Rh7#
- 1...Rbxh8
- 2.Se2#
- 1...cxd5
- 2.Sxd5#
- 1...Rc2
- 2.Rg8#
- 1...Rd2
- 2.Rg8#
- 1...Re2
- 2.Rg8#
- 1...Rf2
- 2.Rg8#
- 1...Rg2
- 2.Rg8#
- 1...Rh3
- 2.Sb5#
- 1...Rh4
- 2.Sb5#
- 1...Rh5
- 2.Sb5#
- 1...Rh6
- 2.Sb5#
- 1...Rh7
- 2.Sb5#
- 1...Rb3
- 2.Rh7#
- 1...Rb4
- 2.Rh7#
- 1...Rb5
- 2.Rh7#
- 1...Rb6
- 2.Rh7#
- 1...Rb7
- 2.Rh7#
- 1...Rc8
- 2.Se2#
- 1...Rd8
- 2.Se2#
- 1...Re8
- 2.Se2#
- 1...Rf8
- 2.Se2#
- 1...Rg8
- 2.Se2#
- 1...Sf2
- 2.Sb5#
- 1...Sb6
- 2.Se2#
- 1...g2
- 2.Sb5#
- 1...a3!
- 1...Rhxb2
- 1.Rb4?
- threat
- 2.Se2#
- 1...Rxb2
- 2.Rg8#
- 1...Rxb4
- 2.Rh7#
- 1...cxd5
- 2.Sxd5#
- 1...Rc2
- 2.Rg8#
- 1...Rd2
- 2.Rg8#
- 1...Re2
- 2.Sxe2#
- 2.Rg8#
- 1...a3!
- threat
- 1.Rc4?
- 1...Rhxb2
- 2.Rg8#
- 1...Rhxh8
- 2.Sb5#
- 1...Rbxb2
- 2.Rh7#
- 1...Rbxh8
- 2.Se2#
- 1...cxd5
- 2.Sxd5#
- 1...Rc2
- 2.Rg8#
- 1...Rd2
- 2.Rg8#
- 1...Re2
- 2.Rg8#
- 1...Rf2
- 2.Rg8#
- 1...Rg2
- 2.Rg8#
- 1...Rh3
- 2.Sb5#
- 1...Rh4
- 2.Sb5#
- 1...Rh5
- 2.Sb5#
- 1...Rh6
- 2.Sb5#
- 1...Rh7
- 2.Sb5#
- 1...Rb3
- 2.Rh7#
- 1...Rb4
- 2.Rh7#
- 1...Rb5
- 2.Rh7#
- 1...Rb6
- 2.Rh7#
- 1...Rb7
- 2.Rh7#
- 1...Rc8
- 2.Se2#
- 1...Rd8
- 2.Se2#
- 1...Re8
- 2.Se2#
- 1...Rf8
- 2.Se2#
- 1...Rg8
- 2.Se2#
- 1...Sf2
- 2.Sb5#
- 1...Sb6
- 2.Se2#
- 1...g2
- 2.Sb5#
- 1...a3!
- 1...Rhxb2
- 1.Sxa4?
- Keys
- 1.Rxa4!
- 1...Rhxb2
- 2.Rg8#
- 1...Rhxh8
- 2.Sb5#
- 1...Rbxb2
- 2.Rh7#
- 1...Rbxh8
- 2.Se2#
- 1...cxd5
- 2.Sxd5#
- 1...Rc2
- 2.Rg8#
- 1...Rd2
- 2.Rg8#
- 1...Re2
- 2.Rg8#
- 1...Rf2
- 2.Rg8#
- 1...Rg2
- 2.Rg8#
- 1...Rh3
- 2.Sb5#
- 1...Rh4
- 2.Sb5#
- 1...Rh5
- 2.Sb5#
- 1...Rh6
- 2.Sb5#
- 1...Rh7
- 2.Sb5#
- 1...Rb3
- 2.Rh7#
- 1...Rb4
- 2.Rh7#
- 1...Rb5
- 2.Rh7#
- 1...Rb6
- 2.Rh7#
- 1...Rb7
- 2.Rh7#
- 1...Rc8
- 2.Se2#
- 1...Rd8
- 2.Se2#
- 1...Re8
- 2.Se2#
- 1...Rf8
- 2.Se2#
- 1...Rg8
- 2.Se2#
- 1...Sf2
- 2.Sb5#
- 1...Sb6
- 2.Se2#
- 1...g2
- 2.Sb5#
- 1...Rhxb2
- 1.Rxa4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD,XQ(B)::B(L)+R(K)
- R(b);N_GUARD::B(L)+R(K)
- R(k);N_GUARD,XQ(B)::B(L)+R(K)
- R(k);N_GUARD::B(L)+R(K)
- P(g);XP(G)::S(C),XP(g)
- Tries
- Try
- S(C);XP(d)
- Vars
- R(b);N_GUARD,XQ(B)::B(L)+R(K)
- R(b);N_GUARD,XB(L)::QAB(B)+R(D)
- R(k);N_GUARD,XQ(B)::B(L)+R(K)
- R(k);N_GUARD,XB(L)::QAB(B)+R(D)
- R(b);N_GUARD::B(L)+R(K)
- R(b);N_GUARD::QAB(B)+R(D)
- R(k);N_GUARD::B(L)+R(K)
- R(k);N_GUARD::QAB(B)+R(D)
- S(a);S_CUTR(b)::QAB(B)+R(D)
- S(j);S_CUTR(k)::QAB(B)+R(D)
- P(c);S_CUTR(b)::QAB(B)+R(D)
- Refutation
- P(g);XP(G)
- Try
- R(D);
- Vars
- R(b);N_GUARD,XQ(B)::B(L)+R(K)
- R(b);N_GUARD,XB(L)::QAB(B)+S(C)
- R(k);N_GUARD,XQ(B)::B(L)+R(K)
- R(k);N_GUARD,XB(L)::QAB(B)+S(C)
- P(g);XP(G)::QAB(B)+S(C),DCHECK,XP(g)
- R(b);N_GUARD::B(L)+R(K)
- R(b);N_GUARD::QAB(B)+S(C)
- R(k);N_GUARD::B(L)+R(K)
- R(k);N_GUARD::QAB(B)+S(C)
- S(a);S_CUTR(b)::QAB(B)+S(C)
- S(j);S_CUTR(k)::QAB(B)+S(C)
- P(c);S_CUTR(b)::QAB(B)+S(C)
- Refutation
- P(d);
- Try
- R(D);
- Threat
- QAB(B)+S(C)
- Vars
- R(b);N_GUARD,XR(D)::B(L)+R(K)
- R(k);N_GUARD,XQ(B)::B(L)+R(K)
- P(g);XP(G)::QAB(B)+S(C),DCHECK,XP(g)
- R(k);N_GUARD::B(L)+R(K)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- R(b);N_GUARD,XQ(B)::B(L)+R(K)
- R(b);N_GUARD,XB(L)::QAB(B)+S(C)
- R(k);N_GUARD,XQ(B)::B(L)+R(K)
- R(k);N_GUARD,XB(L)::QAB(B)+S(C)
- P(g);XP(G)::QAB(B)+S(C),DCHECK,XP(g)
- R(b);N_GUARD::B(L)+R(K)
- R(b);N_GUARD::QAB(B)+S(C)
- R(k);N_GUARD::B(L)+R(K)
- R(k);N_GUARD::QAB(B)+S(C)
- S(a);S_CUTR(b)::QAB(B)+S(C)
- S(j);S_CUTR(k)::QAB(B)+S(C)
- P(c);S_CUTR(b)::QAB(B)+S(C)
- Refutation
- P(d);
- Try
- R(D);
- Threat
- QAB(B)+S(C)
- Vars
- R(b);N_GUARD,XQ(B)::B(L)+R(K)
- R(k);N_GUARD,XR(D)::B(L)+R(K)
- P(g);XP(G)::QAB(B)+S(C),DCHECK,XP(g)
- R(b);N_GUARD::B(L)+R(K)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- R(b);N_GUARD,XQ(B)::B(L)+R(K)
- R(b);N_GUARD,XB(L)::QAB(B)+S(C)
- R(k);N_GUARD,XQ(B)::B(L)+R(K)
- R(k);N_GUARD,XB(L)::QAB(B)+S(C)
- P(g);XP(G)::QAB(B)+S(C),DCHECK,XP(g)
- R(b);N_GUARD::B(L)+R(K)
- R(b);N_GUARD::QAB(B)+S(C)
- R(k);N_GUARD::B(L)+R(K)
- R(k);N_GUARD::QAB(B)+S(C)
- S(a);S_CUTR(b)::QAB(B)+S(C)
- S(j);S_CUTR(k)::QAB(B)+S(C)
- P(c);S_CUTR(b)::QAB(B)+S(C)
- Refutation
- P(d);
- Try
- Actual
- R(D);XP(d)
- Vars
- R(b);N_GUARD,XQ(B)::B(L)+R(K)
- R(b);N_GUARD,XB(L)::QAB(B)+S(C)
- R(k);N_GUARD,XQ(B)::B(L)+R(K)
- R(k);N_GUARD,XB(L)::QAB(B)+S(C)
- P(g);XP(G)::QAB(B)+S(C),DCHECK,XP(g)
- R(b);N_GUARD::B(L)+R(K)
- R(b);N_GUARD::QAB(B)+S(C)
- R(k);N_GUARD::B(L)+R(K)
- R(k);N_GUARD::QAB(B)+S(C)
- S(a);S_CUTR(b)::QAB(B)+S(C)
- S(j);S_CUTR(k)::QAB(B)+S(C)
- P(c);S_CUTR(b)::QAB(B)+S(C)
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).