MESON Chess Problem Database
Problem Display
PID: 10317 (6b1/4P1np/2KNkB1R/2PRPp2/p4p2/6q1/Q6r/3B4 w - - 0 1)
Touw Hian Bwee
Problem (Zagreb), 1963
#2
10 + 9
| 56 | The Problemist | 2007 |
| 1099 | WCSC | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Bh4#
- 2.Rd2#
- 1...Qf2
- 2.Bh4#
- 2.Rd2#
- 1...Qh4
- 2.Bxh4#
- 2.Rd2#
- 1...Qg1
- 2.Rd2#
- 1...Qa3
- 2.Bh4#
- 1...Qb3
- 2.Bh4#
- 1...Qc3
- 2.Bh4#
- 1...Qd3
- 2.Bh4#
- 1...Qe3
- 2.Bh4#
- 1...Qf3
- 2.Bh4#
- 1...Qh3
- 2.Bh4#
- 1...Qg4
- 2.Rd2#
- 1...Qg5
- 2.Rd2#
- 1...Qg6
- 2.Rd2#
- 1...Rh1
- 2.Rd3#
- 1...Rxa2
- 2.Bg5#
- 1...Rb2
- 2.Bg5#
- 1...Rc2
- 2.Bg5#
- 1...Rd2
- 2.Bg5#
- 1...Re2
- 2.Bg5#
- 1...Rf2
- 2.Bg5#
- 1...Rg2
- 2.Bg5#
- 1...Rh3
- 2.Rd3#
- 1...Rh4
- 2.Rd3#
- 1...Rh5
- 2.Rd3#
- 1...Rxh6
- 2.Rd3#
- 1...Sh5
- 2.e8Q#
- 2.e8R#
- 1...f3
- 2.Rd2#
- 1...Qe1
- Tries
- 1.Sb7?
- threat
- 2.Sd8#
- 2.Rd6#
- 1...Rxa2
- 2.Sd8#
- 1...Qg2
- 2.Sd8#
- 1...Qb3
- 2.Sd8#
- 1...Qf3
- 2.Sd8#
- 1...Kf7!
- threat
- 1.Sf7?
- threat
- 2.Sd8#
- 2.Rd6#
- 1...Rxa2
- 2.Sd8#
- 1...Bxf7
- 2.Rd6#
- 1...Qg2
- 2.Sd8#
- 1...Qb3
- 2.Sg5#
- 2.Sd8#
- 1...Qf3
- 2.Sg5#
- 2.Sd8#
- 1...Kxf7!
- threat
- 1.Bc2?
- threat
- 2.Rd3#
- 1...Rxc2
- 2.Bg5#
- 1...Qa3
- 2.Bh4#
- 1...Qb3
- 2.Bh4#
- 1...Qc3
- 2.Bh4#
- 1...Qd3
- 2.Bh4#
- 2.Rxd3#
- 1...Qf3
- 2.Bh4#
- 1...Qg2!
- threat
- 1.Be2?
- threat
- 2.Rd3#
- 1...Rxe2
- 2.Bg5#
- 1...Qa3
- 2.Bh4#
- 1...Qb3
- 2.Bh4#
- 1...Qc3
- 2.Bh4#
- 1...Qd3
- 2.Bh4#
- 2.Rxd3#
- 1...Qf3
- 2.Bh4#
- 1...Qg2!
- threat
- 1.Bg4?
- threat
- 2.Bh4#
- 1...Qxg4
- 2.Rd2#
- 1...Rxh6
- 2.Rd3#
- 1...Qh4
- 2.Bxh4#
- 2.Rd2#
- 1...Rh4
- 2.Bxh4#
- 2.Rd3#
- 1...Rh5
- 2.Rd3#
- 1...Sh5
- 2.Bxf5#
- 2.e8Q#
- 2.e8R#
- 1...Se8
- 2.Bxf5#
- 1...Bf7!
- threat
- 1.Bh5?
- threat
- 2.Bg5#
- 1...Rxh5
- 2.Rd3#
- 1...Sxh5
- 2.e8Q#
- 2.e8R#
- 1...Qg5
- 2.Bxg5#
- 2.Rd2#
- 1...Qg6
- 2.Rd2#
- 1...Bf7
- 2.Bxf7#
- 1...Se8!
- threat
- 1.Bxg7+?
- 1...Qg6
- 2.e8Q#
- 2.e8R#
- 1...Rxh6
- 2.e8Q#
- 2.e8R#
- 1...Kxe7!
- 1...Qg6
- 1.Qc4?
- threat
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 1...Qb3
- 2.Bh4#
- 1...Qc3
- 2.Bh4#
- 1...Qd3
- 2.Bh4#
- 2.Rxd3#
- 1...Qf3
- 2.Bh4#
- 1...Rc2
- 2.Bg5#
- 1...Rd2
- 2.Bg5#
- 2.Rxd2#
- 2.Rd3#
- 2.Rd4#
- 1...Qg2!
- threat
- 1.Sb7?
- Keys
- 1.Bf3!
- threat
- 2.Rd2#
- 1...Qxf3
- 2.Bh4#
- 1...Rxa2
- 2.Bg5#
- 1...Rb2
- 2.Bg5#
- 1...Rc2
- 2.Bg5#
- 1...Rd2
- 2.Bg5#
- 2.Rxd2#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 20
- Sets
- Q(b);N_GUARD::QAB(B)+R(D)
- Q(b);N_GUARD::R(I)+B(H)
- Q(b);N_GUARD,P_PINP(C)::R(I)+B(H)
- Q(b);N_GUARD,P_PINR(D)::R(I)+B(H)
- R(a);N_GUARD::QAB(B)+R(D)
- R(a);N_GUARD,XQ(B)::R(I)+B(H)
- R(a);N_GUARD::R(I)+B(H)
- R(a);N_GUARD,P_PINP(C)::R(I)+B(H)
- R(a);N_GUARD,XR(I)::QAB(B)+R(D)
- S(g);N_GUARD::P=Q
- P(d);S_CUTQ(b)::QAB(B)+R(D)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(a);XQ(B)::S(G)
- Q(b);P_PINR(D)::S(G)
- Q(b);::S(G)
- Refutation
- K(f);S_FLIGHT
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(a);XQ(B)::S(G)
- B(i);SBLOCK,XS(G)::QAB(B)+R(D),DCHECK
- Q(b);P_PINR(D)::S(G)
- Refutation
- K(f);S_FLIGHT,XS(G)
- Try
- B(A);
- Threat
- QAB(B)+R(D)
- Vars
- R(a);N_GUARD,P_PINP(C),XB(A)::R(I)+B(H)
- Q(b);N_GUARD::R(I)+B(H)
- Q(b);N_GUARD,P_PINP(C)::R(I)+B(H)
- Q(b);N_GUARD,P_PINR(D)::R(I)+B(H)
- Refutation
- Q(b);P_PINR(D)
- Try
- B(A);
- Threat
- QAB(B)+R(D)
- Vars
- R(a);N_GUARD,XB(A)::R(I)+B(H)
- Q(b);N_GUARD::R(I)+B(H)
- Q(b);N_GUARD,P_PINP(C)::R(I)+B(H)
- Q(b);N_GUARD,P_PINR(D)::R(I)+B(H)
- Refutation
- Q(b);P_PINR(D)
- Try
- B(A);P_PINP(e)
- Threat
- R(I)+B(H)
- Vars
- Q(b);N_GUARD,N_SPINP(e),XB(A)::QAB(B)+R(D)
- R(a);N_GUARD,XR(I)::QAB(B)+R(D)
- R(a);N_GUARD::QAB(B)+R(D)
- S(g);N_GUARD::B(A),XP(e)
- Refutation
- B(i);
- Try
- B(A);
- Threat
- R(I)+B(H)
- Vars
- R(a);N_GUARD,XB(A)::QAB(B)+R(D)
- S(g);N_GUARD,XB(A)::P=Q
- Q(b);N_GUARD::QAB(B)+R(D)
- B(i);N_GUARD::B(A),XB(i)
- Refutation
- S(g);
- Try
- B(H);CHECK,XS(g)
- Vars
- Q(b);P_SPINQ(b)::P=Q
- R(a);XR(I)::P=Q
- Refutation
- K(f);P-FLIGHT,XP(J)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- Q(b);N_GUARD::R(I)+B(H)
- Q(b);N_GUARD,P_PINR(D)::R(I)+B(H)
- R(a);N_GUARD::R(I)+B(H)
- Refutation
- Q(b);P_PINR(D)
- Try
- Actual
- B(A);
- Threat
- QAB(B)+R(D)
- Vars
- Q(b);N_GUARD,P_PINR(D),XB(A)::R(I)+B(H)
- R(a);N_GUARD,XQ(B)::R(I)+B(H)
- R(a);N_GUARD::R(I)+B(H)
- R(a);N_GUARD,P_PINP(C)::R(I)+B(H)
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).