MESON Chess Problem Database
Problem Display
PID: 54222 (4RB2/p2N1pnQ/5p2/Np1k3n/2p5/p1P5/Rr2BPbK/8 w - - 0 1)
Pulitzer, Walter
Source?, 0000
#2
10 + 11
| 58 | Tijdschrift vd NSB | 1895 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rd2#
- 1...Rd2
- 2.Rxd2#
- 1...Rb3
- 2.Rd2#
- 1...Rb4
- 2.Rd2#
- 1...Bf1
- 2.Bf3#
- 2.Qe4#
- 1...Bf3
- 2.Bxf3#
- 1...Bh3
- 2.Bf3#
- 2.Qe4#
- 1...Be4
- 2.Qxe4#
- 1...Sg3
- 2.Sxf6#
- 1...Sf4
- 2.Sxf6#
- 1...Sf5
- 2.Qxf5#
- 2.Qxf7#
- 1...Se6
- 2.Qf5#
- 1...Sxe8
- 2.Qf5#
- 1...b4
- 2.Bxc4#
- 1...f5
- 2.Re5#
- 1...a6
- 2.Sb6#
- 1...Rb1
- Tries
- 1.Bxh5?
- threat
- 2.Sxf6#
- 1...Sxh5
- 2.Qf5#
- 2.Qxf7#
- 1...Sxe8
- 2.Bxf7#
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...f5
- 2.Sf6#
- 2.Re5#
- 1...Rxf2!
- threat
- 1.Rxb2?
- threat
- 2.Rd2#
- 2.Rxb5#
- 1...Sxe8
- 2.Qf5#
- 1...Be4
- 2.Rxb5#
- 2.Qxe4#
- 1...Sf4
- 2.Sxf6#
- 2.Rxb5#
- 1...Sf5
- 2.Rxb5#
- 2.Qxf5#
- 2.Qxf7#
- 1...Se6
- 2.Qf5#
- 1...b4
- 2.Bxc4#
- 2.Rd2#
- 1...a6
- 2.Sb6#
- 2.Rd2#
- 1...axb2!
- threat
- 1.Qxh5+?
- 1...Sf5
- 2.Sxf6#
- 2.Qxf7#
- 2.Qxf5#
- 1...f5
- 2.Sf6#
- 2.Re5#
- 1...Sxh5!
- 1...Sf5
- 1.Qxg7?
- threat
- 2.Qxg2#
- 2.Qxf7#
- 1...Sxg7
- 2.Sxf6#
- 1...Bf1
- 2.Bf3#
- 2.Qxf7#
- 1...Bh1
- 2.Qxf7#
- 1...Bf3
- 2.Bxf3#
- 2.Qxf7#
- 1...Bh3
- 2.Bf3#
- 1...Be4
- 2.Qxf7#
- 1...Sg3
- 2.Sxf6#
- 2.Qxf7#
- 1...Sf4
- 2.Sxf6#
- 1...Rxe2!
- threat
- 1.Bxh5?
- Keys
- 1.Qb1!
- 1...Rxb1
- 2.Rd2#
- 1...Rxa2
- 2.Qxb5#
- 1...Rxe2
- 2.Qxb5#
- 1...Sxe8
- 2.Qf5#
- 1...Rc2
- 2.Qxb5#
- 1...Rd2
- 2.Rxd2#
- 2.Qxb5#
- 1...Rb3
- 2.Rd2#
- 2.Qd1#
- 1...Rb4
- 2.Rd2#
- 2.Qd1#
- 1...Bf1
- 2.Bf3#
- 2.Qe4#
- 1...Bh1
- 2.Qxh1#
- 1...Bf3
- 2.Bxf3#
- 1...Bh3
- 2.Bf3#
- 2.Qe4#
- 1...Be4
- 2.Qxe4#
- 1...Sg3
- 2.Sxf6#
- 1...Sf4
- 2.Sxf6#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Qf5#
- 1...b4
- 2.Bxc4#
- 1...f5
- 2.Re5#
- 1...a6
- 2.Sb6#
- 1...Rxb1
- 1.Qb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- R(a);OGATE::R(A)
- R(a);OGATE::R(A),XR(a)
- B(b);N_GUARD::B(B),XB(b)
- B(b);N_GUARD::QAB1(H),XB(b)
- S(g);N_GUARD::S(G),XP(h)
- S(k);N_GUARD::QAR2(H)
- S(k);N_GUARD,XR(I)::QAR2(H)
- P(e);N_GUARD::B(B),XP(d)
- P(h);N_GUARD::R1(I)
- P(i);N_GUARD::S(G)
- Tries
- Try
- B(B);XS(g)
- Threat
- S(G),XP(h)
- Vars
- S(k);N_GUARD::QAR2(H)
- Refutation
- R(a);XP(C)
- Try
- R(A);XR(a)
- Threat
- DUALS(2)
- Vars
- S(k);N_GUARD,XR(I)::QAR2(H)
- S(k);N_GUARD::QAR2(H)
- Refutation
- P(c);XR(A)
- Try
- Q(H);CHECK,XS(g)
- Refutation
- S(k);XQ(H)
- Try
- Q(H);XS(k)
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD,XQ(H)::S(G),XP(h)
- B(b);::QAB(H),XP(j)
- B(b);N_GUARD::B(B)
- S(g);N_GUARD::S(G),XP(h)
- Refutation
- R(a);XB(B)
- Try
- Actual
- Q(H);
- Vars
- R(a);OGATE,XQ(H)::R(A)
- R(a);OGATE,XR(A)::QAR2(H),XP(e)
- R(a);OGATE,XB(B)::QAR2(H),XP(e)
- S(k);N_GUARD,XR(I)::QAR2(H)
- R(a);OGATE::QAR2(H),XP(e)
- B(b);OGATEB::QAB(H),XB(b)
- B(b);N_GUARD::B(B),XB(b)
- B(b);N_GUARD::QAB1(H),XB(b)
- S(g);N_GUARD::S(G),XP(h)
- S(k);N_GUARD::QAR2(H),XS(k)
- S(k);N_GUARD::QAR2(H)
- P(e);N_GUARD::B(B),XP(d)
- P(h);N_GUARD::R1(I)
- P(i);N_GUARD::S(G)
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).