MESON Chess Problem Database
Problem Display
PID: 56303 (3n4/3K2p1/1N1R1PP1/n3kr1P/p2p1p1R/P1pP1p1P/2B2r2/2B3Q1 w - - 0 1)
Wainwright, Joseph CJ
4th Comm., Brisbane Courier, 1916
#2
13 + 11
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Qxd4#
- 1...Rxc2
- 2.Qxd4#
- 1...Rd2
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rh2
- 2.Qxd4#
- 1...Rg5
- 2.Qxg5#
- 1...Rxh5
- 2.Rxh5#
- 1...Rxf6
- 2.Rd5#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sab7
- 2.Sc4#
- 1...Sdc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sdb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...gxf6
- 2.Rd5#
- 1...Rf1
- Tries
- 1.Bb2?
- 1...Rxc2
- 2.Qxd4#
- 1...Rxh5
- 2.Rxh5#
- 1...Rxf6
- 2.Rd5#
- 1...gxf6
- 2.Rd5#
- 1...Rg5
- 2.Qxg5#
- 1...Se6
- 2.Rxe6#
- 1...Rf1
- 2.Qxd4#
- 1...Rd2
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rh2
- 2.Qxd4#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sab7
- 2.Sc4#
- 1...Sdc6
- 2.Re6#
- 1...Sdb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...cxb2!
- 1...Rxc2
- 1.Bd2?
- 1...Rxd2
- 2.Qxd4#
- 1...Rxh5
- 2.Rxh5#
- 1...Rxf6
- 2.Rd5#
- 1...gxf6
- 2.Rd5#
- 1...Rg5
- 2.Qxg5#
- 1...Se6
- 2.Rxe6#
- 1...Rf1
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rh2
- 2.Qxd4#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sab7
- 2.Sc4#
- 1...Sdc6
- 2.Re6#
- 1...Sdb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...cxd2!
- 1...Rxd2
- 1.Bb1?
- 1...Rxh5
- 2.Rxh5#
- 1...Rxf6
- 2.Rd5#
- 1...gxf6
- 2.Rd5#
- 1...Rg5
- 2.Qxg5#
- 1...Se6
- 2.Rxe6#
- 1...Rf1
- 2.Qxd4#
- 1...Ra2
- 2.Qxd4#
- 1...Rb2
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rd2
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rh2
- 2.Qxd4#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sab7
- 2.Sc4#
- 1...Sdc6
- 2.Re6#
- 1...Sdb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c2!
- 1...Rxh5
- 1.Bd1?
- 1...Rxh5
- 2.Rxh5#
- 1...Rxf6
- 2.Rd5#
- 1...gxf6
- 2.Rd5#
- 1...Rg5
- 2.Qxg5#
- 1...Se6
- 2.Rxe6#
- 1...Rf1
- 2.Qxd4#
- 1...Ra2
- 2.Qxd4#
- 1...Rb2
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rd2
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rh2
- 2.Qxd4#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sab7
- 2.Sc4#
- 1...Sdc6
- 2.Re6#
- 1...Sdb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c2!
- 1...Rxh5
- 1.Bxa4?
- 1...Rxh5
- 2.Rxh5#
- 1...Rxf6
- 2.Rd5#
- 1...gxf6
- 2.Rd5#
- 1...Rg5
- 2.Qxg5#
- 1...Se6
- 2.Rxe6#
- 1...Rf1
- 2.Qxd4#
- 1...Ra2
- 2.Qxd4#
- 1...Rb2
- 2.Qxd4#
- 1...Rc2
- 2.Qxd4#
- 1...Rd2
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rh2
- 2.Qxd4#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sab7
- 2.Sc4#
- 1...Sdc6
- 2.Re6#
- 1...Sdb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c2!
- 1...Rxh5
- 1.Rxf4?
- threat
- 2.Re4#
- 1...Rxh5
- 2.Rd5#
- 1...Rxf6
- 2.Rd5#
- 1...Se6
- 2.Rxe6#
- 1...Re2
- 2.Qxd4#
- 1...Rg5
- 2.Rd5#
- 2.Qxg5#
- 1...Rxf4!
- threat
- 1.Rg4?
- 1...Rxc2
- 2.Qxd4#
- 1...Rxf6
- 2.Rd5#
- 1...gxf6
- 2.Rd5#
- 1...Rg5
- 2.Rxg5#
- 1...Se6
- 2.Rxe6#
- 1...Rf1
- 2.Qxd4#
- 1...Rd2
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rh2
- 2.Qxd4#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sab7
- 2.Sc4#
- 1...Sdc6
- 2.Re6#
- 1...Sdb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...Rxh5!
- 1...Rxc2
- 1.Qxf2?
- threat
- 2.Qe1#
- 2.Qxd4#
- 1...Rxh5
- 2.Rxh5#
- 1...Rxf6
- 2.Rd5#
- 1...Se6
- 2.Rxe6#
- 1...Sb3
- 2.Sc4#
- 2.Qe1#
- 1...Sc4
- 2.Sxc4#
- 2.Qxd4#
- 1...Sac6
- 2.Sc4#
- 2.Qe1#
- 1...Sdc6
- 2.Re6#
- 2.Qe1#
- 1...Rg5!
- threat
- 1.Qg5?
- threat
- 2.Bxf4#
- 2.Rd5#
- 1...Rd2
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 2.Rxe6#
- 1...Rxg5!
- threat
- 1.h6?
- 1...Rxc2
- 2.Qxd4#
- 1...Rxf6
- 2.Rd5#
- 1...gxf6
- 2.Rd5#
- 1...Rg5
- 2.Qxg5#
- 1...Rh5
- 2.Rxh5#
- 1...Se6
- 2.Rxe6#
- 1...Rf1
- 2.Qxd4#
- 1...Rd2
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rh2
- 2.Qxd4#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sab7
- 2.Sc4#
- 1...Sdc6
- 2.Re6#
- 1...Sdb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...gxh6!
- 1...Rxc2
- 1.f7?
- 1...Rxc2
- 2.Qxd4#
- 1...Rxh5
- 2.Rxh5#
- 1...Sxf7
- 2.Re6#
- 1...Rg5
- 2.Qxg5#
- 1...Rf6
- 2.Rd5#
- 1...Se6
- 2.Rxe6#
- 1...Rf1
- 2.Qxd4#
- 1...Rd2
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rh2
- 2.Qxd4#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sab7
- 2.Sc4#
- 1...Sdc6
- 2.Re6#
- 1...Sdb7
- 2.Re6#
- 1...Rxf7+!
- 1...Rxc2
- 1.Bb2?
- Keys
- 1.Be3!
- threat
- 2.Bxd4#
- 1...Rxh5
- 2.Rxh5#
- 1...Rxf6
- 2.Rd5#
- 1...dxe3
- 2.d4#
- 1...fxe3
- 2.Re4#
- 1...Rg5
- 2.Qxg5#
- 1...Se6
- 2.Rxe6#
- 1...Sb3
- 2.Sc4#
- 1...Sac6
- 2.Sc4#
- 1...Sdc6
- 2.Re6#
- threat
- 1.Be3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- R(a);OGATE::QAB1(B),XP(e)
- R(a);OGATE,XB(C)::QAB1(B),XP(e)
- R(i);OGATEB::QAR2(B),XR(i)
- R(i);OGATE,XP(H)::R(G),XR(i)
- R(i);SBLOCK,XP(K)::R1(J)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- S(k);N_GUARD::R1(J)
- S(k);N_GUARD::R1(J),XS(k)
- P(j);SBLOCK,XP(K)::R1(J)
- Tries
- Try
- B(A);
- Vars
- R(a);OGATE,XB(C)::QAB1(B),XP(e)
- R(i);OGATE,XP(H)::R(G),XR(i)
- R(i);SBLOCK,XP(K)::R1(J)
- P(j);SBLOCK,XP(K)::R1(J)
- R(i);OGATEB::QAR2(B),XR(i)
- S(k);N_GUARD::R1(J),XS(k)
- R(a);OGATE::QAB1(B),XP(e)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- S(k);N_GUARD::R1(J)
- Refutation
- P(b);XB(A)
- Try
- B(A);
- Vars
- R(a);OGATE,XB(A)::QAB1(B),XP(e)
- R(i);OGATE,XP(H)::R(G),XR(i)
- R(i);SBLOCK,XP(K)::R1(J)
- P(j);SBLOCK,XP(K)::R1(J)
- R(i);OGATEB::QAR2(B),XR(i)
- S(k);N_GUARD::R1(J),XS(k)
- R(a);OGATE::QAB1(B),XP(e)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- S(k);N_GUARD::R1(J)
- Refutation
- P(b);XB(A)
- Try
- B(C);
- Vars
- R(i);OGATE,XP(H)::R(G),XR(i)
- R(i);SBLOCK,XP(K)::R1(J)
- P(j);SBLOCK,XP(K)::R1(J)
- R(i);OGATEB::QAR2(B),XR(i)
- S(k);N_GUARD::R1(J),XS(k)
- R(a);OGATE::QAB1(B),XP(e)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- S(k);N_GUARD::R1(J)
- Refutation
- P(b);
- Try
- B(C);
- Vars
- R(i);OGATE,XP(H)::R(G),XR(i)
- R(i);SBLOCK,XP(K)::R1(J)
- P(j);SBLOCK,XP(K)::R1(J)
- R(i);OGATEB::QAR2(B),XR(i)
- S(k);N_GUARD::R1(J),XS(k)
- R(a);OGATE::QAB1(B),XP(e)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- S(k);N_GUARD::R1(J)
- Refutation
- P(b);
- Try
- B(C);XP(d)
- Vars
- R(i);OGATE,XP(H)::R(G),XR(i)
- R(i);SBLOCK,XP(K)::R1(J)
- P(j);SBLOCK,XP(K)::R1(J)
- R(i);OGATEB::QAR2(B),XR(i)
- S(k);N_GUARD::R1(J),XS(k)
- R(a);OGATE::QAB1(B),XP(e)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- S(k);N_GUARD::R1(J)
- Refutation
- P(b);
- Try
- R(G);XP(f)
- Threat
- R1(G)
- Vars
- R(i);XP(H)::R1(J)
- R(i);XP(K)::R1(J)
- S(k);N_GUARD::R1(J),XS(k)
- R(a);OGATE::QAB1(B),XP(e)
- Refutation
- R(i);XR(G)
- Try
- R(G);
- Vars
- R(a);OGATE,XB(C)::QAB1(B),XP(e)
- R(i);SBLOCK,XP(K)::R1(J)
- P(j);SBLOCK,XP(K)::R1(J)
- R(i);OGATEB::R(G),XR(i)
- S(k);N_GUARD::R1(J),XS(k)
- R(a);OGATE::QAB1(B),XP(e)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- S(k);N_GUARD::R1(J)
- Refutation
- R(i);XP(H)
- Try
- Q(B);XR(a)
- Threat
- DUALS(2)
- Vars
- R(i);OGATE,XP(H)::R(G),XR(i)
- R(i);SBLOCK,XP(K)::R1(J)
- S(k);N_GUARD::R1(J),XS(k)
- Refutation
- R(i);
- Try
- Q(B);P_PINR(i)
- Threat
- DUALS(2)
- Vars
- R(a);::R1(J)
- Refutation
- R(i);N_SPINR(i),XQ(B)
- Try
- P(H);
- Vars
- R(a);OGATE,XB(C)::QAB1(B),XP(e)
- R(i);SBLOCK,XP(K)::R1(J)
- P(j);SBLOCK,XP(K)::R1(J)
- R(i);OGATEB::QAR2(B),XR(i)
- R(i);OGATEB::R(G),XR(i)
- S(k);N_GUARD::R1(J),XS(k)
- R(a);OGATE::QAB1(B),XP(e)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- S(k);N_GUARD::R1(J)
- Refutation
- P(j);XP(H)
- Try
- P(K);
- Vars
- R(a);OGATE,XB(C)::QAB1(B),XP(e)
- R(i);OGATE,XP(H)::R(G),XR(i)
- S(k);N_GUARD,XP(K)::R1(J)
- R(i);OGATEB::QAR2(B),XR(i)
- R(i);SBLOCK::R1(J)
- S(k);N_GUARD::R1(J),XS(k)
- R(a);OGATE::QAB1(B),XP(e)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- S(k);N_GUARD::R1(J)
- Refutation
- R(i);CHECK,XP(K)
- Try
- Actual
- B(A);
- Threat
- B(A),XP(e)
- Vars
- R(i);OGATE,XP(H)::R(G),XR(i)
- R(i);SBLOCK,XP(K)::R1(J)
- P(e);OGATE,XB(A)::P(E)
- P(f);OGATE,XB(A)::R1(G)
- R(i);OGATEB::QAR2(B),XR(i)
- S(k);N_GUARD::R1(J),XS(k)
- S(g);N_GUARD::S(I)
- S(k);N_GUARD::R1(J)
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).