MESON Chess Problem Database
Problem Display
PID: 94614 (2Nr4/2Rp3Q/1p2p1n1/p2k4/3B4/r2pK3/N2R3p/1B6 w - - 0 1)
Pulitzer, Walter
American Chess Magazine, 1898
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Bxa2#
- 1...Rc3
- 2.Sxc3#
- 1...Ra4
- 2.Sc3#
- 1...Rxc8
- 2.Qxd7#
- 1...Re8
- 2.Qxd7#
- 1...Rf8
- 2.Qxd7#
- 1...Rg8
- 2.Qxd7#
- 1...Rh8
- 2.Qxd7#
- 1...Sf4
- 2.Qe4#
- 1...Sh4
- 2.Qe4#
- 1...Se5
- 2.Qe4#
- 1...Se7
- 2.Qe4#
- 1...Sf8
- 2.Qe4#
- 1...Sh8
- 2.Qe4#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...a4
- 2.Sb4#
- 1...b5
- 2.Rc5#
- 1...e5
- 2.Qf7#
- 1...d6
- 2.Sxb6#
- 1...Rxa2
- Tries
- 1.Rxd3?
- threat
- 2.Bc3#
- 1...e5
- 2.Qf7#
- 1...Rc3
- 2.Sxc3#
- 2.Bxc3#
- 1...Ra4
- 2.Sc3#
- 1...Sf4
- 2.Qe4#
- 1...Se5
- 2.Qe4#
- 1...Rxd3+!
- threat
- 1.Qh5+?
- 1...Se5
- 2.Qxe5#
- 1...e5!
- 1...Se5
- 1.Qe7?
- threat
- 2.Sxb6#
- 2.Qd6#
- 1...Rxc8
- 2.Qxd7#
- 1...Rb3
- 2.Qd6#
- 1...b5
- 2.Sb6#
- 2.Rc5#
- 2.Qc5#
- 2.Qd6#
- 1...d6
- 2.Sxb6#
- 1...Sxe7!
- threat
- 1.Rxd3?
- Keys
- 1.Bc2!
- 1...dxc2+
- 2.Bc3#
- 1...Rxa2
- 2.Bb3#
- 1...Rxc8
- 2.Qxd7#
- 1...e5
- 2.Qf7#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rb3
- 2.Bxb3#
- 1...Rc3
- 2.Sxc3#
- 1...Ra4
- 2.Sc3#
- 1...Re8
- 2.Qxd7#
- 1...Rf8
- 2.Qxd7#
- 1...Rg8
- 2.Qxd7#
- 1...Rh8
- 2.Qxd7#
- 1...Sf4
- 2.Qe4#
- 1...Sh4
- 2.Qe4#
- 1...Se5
- 2.Qe4#
- 1...Se7
- 2.Qe4#
- 1...Sf8
- 2.Qe4#
- 1...Sh8
- 2.Qe4#
- 1...a4
- 2.Sb4#
- 1...b5
- 2.Rc5#
- 1...d6
- 2.Sxb6#
- 1...dxc2+
- 1.Bc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);OGATE,XS(B)::B(A),XR(b)
- R(b);N_GUARD::S(B),XR(b)
- R(b);N_GUARD::S(B)
- R(j);N_GUARD,XS(H)::QAR2(G),XP(i)
- R(j);N_GUARD::QAR2(G),XP(i)
- S(h);OGATE::QAB1(G)
- P(a);OGATE::QAB(G),XQ(a)
- P(a);OGATE::QAB(G),XS(a)
- P(a);OGATE::QAB(G),XB(a)
- P(a);OGATE::QAB(G),XR(a)
- P(d);N_GUARD::S(B)
- P(f);N_GUARD::R1(F)
- P(g);OGATEB::QAB(G)
- P(i);SBLOCK::S(H),XP(f)
- Tries
- Try
- R(C);P_SPINR(C),XP(c)
- Threat
- R(C)+B(E)
- Vars
- P(g);OGATEB::QAB(G)
- R(b);N_GUARD,N_PINR(C)::S(B)
- S(h);OGATE::QAB1(G)
- Refutation
- R(b);CHECK,XR(C)
- Try
- Q(G);CHECK
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAR1(G),XS(h)
- Refutation
- P(g);P_SPINP(g)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(j);N_GUARD,XS(H)::QAR2(G),XP(i)
- R(b);::QAR1(G)
- P(i);::S(H),XP(f)
- Refutation
- S(h);XQ(G)
- Try
- Actual
- B(A);
- Vars
- P(c);CHECK,OGATEB,XB(A)::R(C)+B(E)
- R(b);N_GUARD,XS(B)::B(A)
- R(j);N_GUARD,XS(H)::QAR2(G),XP(i)
- P(g);OGATEB::QAB(G)
- P(a);OGATE::QAB(G),XQ(a)
- P(a);OGATE::QAB(G),XS(a)
- P(a);OGATE::QAB(G),XB(a)
- P(a);OGATE::QAB(G),XR(a)
- R(b);N_GUARD::B(A),XR(b)
- R(b);N_GUARD::S(B),XR(b)
- R(b);N_GUARD::S(B)
- R(j);N_GUARD::QAR2(G),XP(i)
- S(h);OGATE::QAB1(G)
- P(d);N_GUARD::S(B)
- P(f);N_GUARD::R1(F)
- P(i);SBLOCK::S(H),XP(f)
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).