MESON Chess Problem Database
Problem Display
PID: 104554 (1r4NQ/5PKP/4P1p1/2PPkp2/R2R1p2/2N2B2/p5r1/B6q w - - 0 1)
Rice, John Michael
5th HM., Zurcher Woche, 1963
#2
13 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxa1
- 2.Kh6#
- 1...Qb1
- 2.Kh6#
- 1...Qc1
- 2.Kh6#
- 1...Qd1
- 2.Kh6#
- 1...Qe1
- 2.Kh6#
- 1...Qf1
- 2.Kh6#
- 1...Qg1
- 2.Kh6#
- 1...Qh6+
- 2.Kxh6#
- 1...Qxh7+
- 2.Kxh7#
- 1...Rgb2
- 2.Kxg6#
- 1...Rc2
- 2.Kxg6#
- 1...Rd2
- 2.Kxg6#
- 1...Re2
- 2.Kxg6#
- 1...Rf2
- 2.Kxg6#
- 1...Rh2
- 2.Kxg6#
- 1...Rb1
- 2.Kf8#
- 1...Rbb2
- 2.Kf8#
- 1...Rb3
- 2.Kf8#
- 1...Rb4
- 2.Kf8#
- 1...Rb5
- 2.Kf8#
- 1...Rb6
- 2.Kf8#
- 1...Rb7
- 2.Kf8#
- 1...Rf8
- 2.Kxf8#
- 1...Rxg8+
- 2.Kxg8#
- 1...g5
- 2.Kg6#
- 1...Qxa1
- Tries
- 1.f8Q?
- threat
- 2.Kf7#
- 2.Qd6#
- 2.Qf6#
- 2.Qxb8#
- 1...Qh6+
- 2.Kxh6#
- 1...Qxh7+
- 2.Kxh7#
- 1...Rxf8
- 2.Kxf8#
- 1...Rb4
- 2.Kf7#
- 2.Qf6#
- 1...Qb1
- 2.Kh6#
- 2.Kf7#
- 2.Qd6#
- 2.Qf6#
- 1...Qh4
- 2.Qd6#
- 2.Qxb8#
- 1...Rgb2
- 2.Kxg6#
- 2.Kf7#
- 2.Qd6#
- 2.Qf6#
- 1...Rb1
- 2.Kf7#
- 2.Qd6#
- 2.Qf6#
- 1...Rbb2
- 2.Kf7#
- 2.Qd6#
- 2.Qf6#
- 1...Rb3
- 2.Kf7#
- 2.Qd6#
- 2.Qf6#
- 1...Rb5
- 2.Kf7#
- 2.Qd6#
- 2.Qf6#
- 1...Rb6
- 2.Kf7#
- 2.Qf6#
- 1...Ra8
- 2.Kf7#
- 2.Qd6#
- 2.Qf6#
- 1...Rc8
- 2.Kf7#
- 2.Qd6#
- 2.Qf6#
- 1...Rd8
- 2.Kf7#
- 2.Qf6#
- 1...Re8
- 2.Kf7#
- 2.Qd6#
- 2.Qf6#
- 1...Rb7+!
- threat
- 1.f8S?
- threat
- 2.Kf7#
- 2.Sd7#
- 1...Qh6+
- 2.Kxh6#
- 1...Qxh7+
- 2.Kxh7#
- 1...Rxf8
- 2.Kxf8#
- 1...Rb4
- 2.Kf7#
- 1...Qh4
- 2.Sd7#
- 1...Rd8
- 2.Kf7#
- 1...Rb7+!
- threat
- 1.f8B?
- threat
- 2.Kf7#
- 2.Bd6#
- 1...Qh6+
- 2.Kxh6#
- 1...Qxh7+
- 2.Kxh7#
- 1...Rxf8
- 2.Kxf8#
- 1...Rb4
- 2.Kf7#
- 1...Qh4
- 2.Bd6#
- 1...Rb6
- 2.Kf7#
- 1...Rd8
- 2.Kf7#
- 1...Rb7+!
- threat
- 1.f8Q?
- Keys
- 1.Rd2!
- 1...Qh6+
- 2.Kxh6#
- 1...Qxh7+
- 2.Kxh7#
- 1...Rxg8+
- 2.Kxg8#
- 1...Qxa1
- 2.Kh6#
- 1...Rxd2
- 2.Kxg6#
- 1...Qh2
- 2.Sb5#
- 1...Qb1
- 2.Kh6#
- 1...Qc1
- 2.Kh6#
- 1...Qd1
- 2.Kh6#
- 1...Qe1
- 2.Kh6#
- 1...Qf1
- 2.Kh6#
- 1...Qg1
- 2.Kh6#
- 1...Qh3
- 2.Sb5#
- 1...Qh4
- 2.Sb5#
- 1...Qh5
- 2.Sb5#
- 1...Rg1
- 2.Re2#
- 1...Re2
- 2.Kxg6#
- 2.Rxe2#
- 1...Rf2
- 2.Kxg6#
- 1...Rh2
- 2.Kxg6#
- 1...Rg3
- 2.Re2#
- 1...Rg4
- 2.Re2#
- 1...Rg5
- 2.Re2#
- 1...Rb1
- 2.Kf8#
- 2.Sxb1#
- 1...Rb2
- 2.Kf8#
- 1...Rb3
- 2.Kf8#
- 1...Rb4
- 2.Kf8#
- 1...Rb5
- 2.Kf8#
- 1...Rb6
- 2.Kf8#
- 1...Rb7
- 2.Kf8#
- 1...Ra8
- 2.Sb1#
- 2.Sd1#
- 1...Rc8
- 2.Sb1#
- 2.Sd1#
- 1...Rd8
- 2.Sb1#
- 2.Sd1#
- 1...Re8
- 2.Sb1#
- 2.Sd1#
- 1...Rf8
- 2.Kxf8#
- 2.Sb1#
- 2.Sd1#
- 1...g5
- 2.Kg6#
- 1...Qh6+
- 1.Rd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 5
- Sets
- Q(a);XB(A)::QAB(M)+K(J)
- Q(a);::QAB(M)+K(J)
- Q(a);CHECK::QAB(M)+K(J),XQ(a)
- Q(a);CHECK,XP(K)::QAB(M)+K(J),XQ(a)
- R(c);::QAB(M)+K(J),XP(g)
- R(h);::QAB(M)+K(J)
- R(h);P_PINP(I)::QAB(M)+K(J)
- R(h);::QAB(M)+K(J),XR(h)
- R(h);CHECK,XS(L)::QAB(M)+K(J),XR(h)
- P(g);::QAB(M)+K(J)
- Tries
- Try
- P(I);
- Threat
- DUALS(4)
- Vars
- Q(a);CHECK::QAB(M)+K(J),XQ(a)
- Q(a);CHECK,XP(K)::QAB(M)+K(J),XQ(a)
- R(h);XQ(I)::QAB(M)+K(J),XR(h)
- Refutation
- R(h);CHECK
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK::QAB(M)+K(J),XQ(a)
- Q(a);CHECK,XP(K)::QAB(M)+K(J),XQ(a)
- R(h);XS(I)::QAB(M)+K(J),XR(h)
- R(h);::QAB(M)+K(J)
- Q(a);::S(I)
- Refutation
- R(h);CHECK
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK::QAB(M)+K(J),XQ(a)
- Q(a);CHECK,XP(K)::QAB(M)+K(J),XQ(a)
- R(h);XB(I)::QAB(M)+K(J),XR(h)
- R(h);::QAB(M)+K(J)
- Q(a);::B(I)
- Refutation
- R(h);CHECK
- Try
- Actual
- R(E);
- Vars
- Q(a);CHECK::QAB(M)+K(J),XQ(a)
- Q(a);CHECK,XP(K)::QAB(M)+K(J),XQ(a)
- R(h);CHECK,XS(L)::QAB(M)+K(J),XR(h)
- Q(a);XB(A)::QAB(M)+K(J)
- R(c);XR(E)::QAB(M)+K(J),XP(g)
- Q(a);N_GUARD::B(A)+S(B)
- Q(a);::QAB(M)+K(J)
- R(c);N_GUARD::R(E)
- R(c);::QAB(M)+K(J),XP(g)
- R(h);::QAB(M)+K(J)
- R(h);P_PINP(I)::QAB(M)+K(J)
- P(g);::QAB(M)+K(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).