MESON Chess Problem Database
Problem Display
PID: 222558 (1n1K3R/B7/3Pr2p/R7/B1N1k3/2ppPp1N/5Qn1/5r2 w - - 0 1)
Kaiser, Julius Adam
Philadelphia Times, 1884
#2
10 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Sxf2#
- 1...Re5
- 2.Rxe5#
- 1...Rxd6+
- 2.Sxd6#
- 1...Rf6
- 2.Re5#
- 1...Rg6
- 2.Re5#
- 1...Re8+
- 2.Rxe8#
- 1...Se1
- 2.Qh4#
- 1...Sxe3
- 2.Qxe3#
- 1...Sh4
- 2.Qxh4#
- 1...Sa6
- 2.Bc6#
- 1...Sc6+
- 2.Bxc6#
- 1...Sd7
- 2.Bc6#
- 1...c2
- 2.Sd2#
- 1...d2
- 2.Bc2#
- 1...h5
- 2.Sg5#
- 1...Rxf2
- Tries
- 1.Bxb8?
- threat
- 2.Bc6#
- 1...Rxd6+
- 2.Sxd6#
- 1...Re8+
- 2.Rxe8#
- 1...Sxe3
- 2.Qxe3#
- 1...Re5
- 2.Rxe5#
- 1...d2
- 2.Bc2#
- 1...Sf4!
- threat
- 1.Rxh6?
- threat
- 2.Sg5#
- 2.Rxe6#
- 1...Rxd6+
- 2.Sxd6#
- 1...Sc6+
- 2.Bxc6#
- 1...Rxh6
- 2.Sg5#
- 2.Re5#
- 1...Sxe3
- 2.Rxe6#
- 2.Qxe3#
- 1...Re5
- 2.Rxe5#
- 1...d2
- 2.Bc2#
- 1...Rf6
- 2.Sg5#
- 2.Re5#
- 1...Rg6
- 2.Re5#
- 1...Re7
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 1...Sd7
- 2.Sg5#
- 2.Bc6#
- 1...Re8+!
- threat
- 1.Rf8?
- 1...Rxd6+
- 2.Sxd6#
- 1...Re8+
- 2.Rxe8#
- 1...Sc6+
- 2.Bxc6#
- 1...Rxf2
- 2.Sxf2#
- 1...Sxe3
- 2.Rf4#
- 2.Qxe3#
- 1...d2
- 2.Bc2#
- 1...Ra1
- 2.Qxf3#
- 1...Rb1
- 2.Qxf3#
- 1...Rc1
- 2.Qxf3#
- 1...Rd1
- 2.Qxf3#
- 1...Re1
- 2.Qxf3#
- 1...Rg1
- 2.Qxf3#
- 1...Rh1
- 2.Qxf3#
- 1...Re5
- 2.Rxe5#
- 1...Rf6
- 2.Re5#
- 1...Rg6
- 2.Re5#
- 1...Se1
- 2.Rf4#
- 2.Qh4#
- 1...Sf4
- 2.Rxf4#
- 1...Sh4
- 2.Rf4#
- 2.Qxh4#
- 1...Sa6
- 2.Bc6#
- 1...Sd7
- 2.Bc6#
- 1...c2
- 2.Sd2#
- 1...h5
- 2.Sg5#
- 1...Re7!
- 1...Rxd6+
- 1.Qh4+?
- 1...Sf4
- 2.Qxf4#
- 1...Sxh4!
- 1...Sf4
- 1.Qxf1?
- threat
- 2.Sf2#
- 1...Rxd6+
- 2.Sxd6#
- 1...Re8+
- 2.Rxe8#
- 1...Sc6+
- 2.Bxc6#
- 1...Re5
- 2.Rxe5#
- 1...f2
- 2.Qxg2#
- 1...Sxe3!
- threat
- 1.Qxg2?
- threat
- 2.Qg4#
- 1...Rxd6+
- 2.Sxd6#
- 1...Re8+
- 2.Rxe8#
- 1...Sc6+
- 2.Bxc6#
- 1...d2
- 2.Bc2#
- 1...Rg1
- 2.Sf2#
- 1...Rf6
- 2.Re5#
- 1...Rg6
- 2.Re5#
- 2.Qxg6#
- 1...h5
- 2.Sg5#
- 1...fxg2!
- threat
- 1.Bxb8?
- Keys
- 1.Qg3!
- 1...Rxd6+
- 2.Sxd6#
- 1...Re8+
- 2.Rxe8#
- 1...Sc6+
- 2.Bxc6#
- 1...Sxe3
- 2.Qf4#
- 1...Re5
- 2.Rxe5#
- 2.Qxe5#
- 1...d2
- 2.Bc2#
- 1...Ra1
- 2.Sf2#
- 1...Rb1
- 2.Sf2#
- 1...Rc1
- 2.Sf2#
- 1...Rd1
- 2.Sf2#
- 1...Re1
- 2.Sf2#
- 1...Rg1
- 2.Sf2#
- 1...Rh1
- 2.Sf2#
- 1...Rf2
- 2.Sxf2#
- 1...Rf6
- 2.Re5#
- 2.Qe5#
- 1...Rg6
- 2.Re5#
- 2.Qe5#
- 2.Qxg6#
- 1...Re7
- 2.Qg6#
- 1...Se1
- 2.Qf4#
- 2.Qh4#
- 2.Qg4#
- 1...Sf4
- 2.Qxf4#
- 1...Sh4
- 2.Qf4#
- 2.Qxh4#
- 2.Qg4#
- 1...Sa6
- 2.Bc6#
- 1...Sd7
- 2.Bc6#
- 1...c2
- 2.Sd2#
- 1...f2
- 2.Qxg2#
- 1...h5
- 2.Sg5#
- 1...Rxd6+
- 1.Qg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 10
- REMOVED MATES = 5
- Sets
- R(a);XQ(A)::S(C),XR(a)
- R(g);N_GUARD::R1(F),XR(g)
- R(g);CHECK,XP(G)::S(E),XR(g)
- R(g);N_GUARD::R1(F)
- R(g);CHECK,OGATEB::R(J),XR(g)
- S(b);N_GUARD::QAR(A)
- S(b);OGATE,XP(B)::QAR1(A),XS(b)
- S(b);N_GUARD::QAR(A),XS(b)
- S(i);N_GUARD::B(D)
- S(i);CHECK,N_GUARD::B(D),XS(i)
- P(c);N_GUARD::S(E)
- P(d);OGATEB::B(D)
- P(h);N_GUARD::S(C)
- Tries
- Try
- B(H);XS(i)
- Threat
- B(D)
- Vars
- R(g);CHECK,XP(G)::S(E),XR(g)
- R(g);CHECK,OGATEB::R(J),XR(g)
- S(b);OGATE,XP(B)::QAR1(A),XS(b)
- R(g);N_GUARD::R1(F),XR(g)
- P(d);OGATEB::B(D)
- Refutation
- S(b);
- Try
- R(J);XP(h)
- Threat
- DUALS(2)
- Vars
- R(g);CHECK,XP(G)::S(E),XR(g)
- S(i);CHECK,N_GUARD::B(D),XS(i)
- R(g);N_GUARD::R1(F),XR(g)
- P(d);OGATEB::B(D)
- R(g);N_GUARD::R1(F)
- R(g);::S(C)
- S(b);::S(C)
- Refutation
- R(g);CHECK
- Try
- R(J);
- Vars
- R(g);CHECK,XP(G)::S(E),XR(g)
- R(g);CHECK,OGATEB::R(J),XR(g)
- S(i);CHECK,N_GUARD::B(D),XS(i)
- R(a);XQ(A)::S(C),XR(a)
- P(d);OGATEB::B(D)
- R(a);N_GUARD::QAB1(A),XP(e)
- R(g);N_GUARD::R1(F),XR(g)
- R(g);N_GUARD::R1(F)
- S(b);N_GUARD::R1(J),XS(b)
- S(i);N_GUARD::B(D)
- P(c);N_GUARD::S(E)
- P(h);N_GUARD::S(C)
- Refutation
- R(g);
- Try
- Q(A);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(A),XS(b)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);XR(a)
- Threat
- S(C)
- Vars
- R(g);CHECK,XP(G)::S(E),XR(g)
- R(g);CHECK,OGATEB::R(J),XR(g)
- S(i);CHECK,N_GUARD::B(D),XS(i)
- R(g);N_GUARD::R1(F),XR(g)
- P(e);OGATEB::QAB(A),XS(b)
- Refutation
- S(b);XP(B)
- Try
- Q(A);P_PINP(e),XS(b)
- Threat
- QAR2(A)
- Vars
- R(g);CHECK,XP(G)::S(E),XR(g)
- R(g);CHECK,OGATEB::R(J),XR(g)
- S(i);CHECK,N_GUARD::B(D),XS(i)
- P(d);OGATEB::B(D)
- R(a);N_GUARD::S(C)
- R(g);N_GUARD::R1(F)
- P(h);N_GUARD::S(C)
- Refutation
- P(e);N_SPINP(e),XQ(A)
- Try
- Actual
- Q(A);
- Vars
- R(g);CHECK,XP(G)::S(E),XR(g)
- R(g);CHECK,OGATEB::R(J),XR(g)
- S(i);CHECK,N_GUARD::B(D),XS(i)
- S(b);N_GUARD,XP(B)::QAR1(A)
- P(d);OGATEB::B(D)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(g);N_GUARD::QAB(A)
- S(b);N_GUARD::QAR1(A),XS(b)
- S(i);N_GUARD::B(D)
- P(c);N_GUARD::S(E)
- P(e);OGATEB::QAB(A),XS(b)
- P(h);N_GUARD::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).