MESON Chess Problem Database
Problem Display
PID: 63429 (1b6/6PK/p1P1p2Q/4kp2/2RN4/1PN2p2/1B1Rr1b1/2r5 w - - 0 1)
Touw Hian Bwee
5th Prize, Northwest Chess, 1975
#2
10 + 9
| 3771 | FIDE Album (1974-1976) | 1980 |
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Sxf3#
- 1...Bh3
- 2.Sxf3#
- 1...f4
- 2.Qxe6#
- 1...Bf1
- Tries
- 1.Scxe2?
- threat
- 2.Sc2#
- 2.Sxf3#
- 2.Qxe6#
- 1...Ke4
- 2.Sc2#
- 1...Kd5
- 2.Sc2#
- 2.Sxf3#
- 2.Sb5#
- 2.Sxf5#
- 2.Sxe6#
- 2.Qxe6#
- 1...Rxc4
- 2.Qxe6#
- 1...fxe2
- 2.Sc2#
- 2.Sf3#
- 1...Rb1
- 2.Sxf3#
- 2.Qxe6#
- 1...Rh1
- 2.Sc2#
- 2.Sxf3#
- 2.Sb5#
- 2.Sxe6#
- 1...Rc2
- 2.Sxc2#
- 2.Sxf3#
- 2.Qxe6#
- 1...Rc3
- 2.Qxe6#
- 1...Ba7
- 2.Sxf3#
- 2.Qxe6#
- 1...f2
- 2.Sc2#
- 2.Sf3#
- 2.Qxe6#
- 1...f4
- 2.Qxe6#
- 1...Kd6!
- threat
- 1.c7?
- threat
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxc3
- 2.Sc6#
- 1...Rxd2
- 2.cxb8Q#
- 2.cxb8B#
- 1...Bxc7
- 2.Sc6#
- 1...Ra1
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rb1
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rd1
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rce1
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rf1
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rg1
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rh1
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rc2
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Ree1
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rf2
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Re3
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Re4
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Bf1
- 2.Sxf3#
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Bh1
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Bh3
- 2.Sxf3#
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Ba7
- 2.Sc6#
- 1...f2
- 2.cxb8Q#
- 2.cxb8B#
- 1...f4
- 2.Qxe6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...a5
- 2.Sc6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Kd6!
- threat
- 1.g8Q?
- threat
- 2.Qgxe6#
- 2.Qxb8#
- 1...Rxc3
- 2.Qgxe6#
- 1...Bd6
- 2.Qgxe6#
- 2.Qgg7#
- 2.Qh8#
- 1...Ba7
- 2.Qgxe6#
- 1...Bc7
- 2.Qgxe6#
- 1...Kd6!
- threat
- 1.Scxe2?
- Keys
- 1.Sd5!
- threat
- 2.Qxe6#
- 1...Ke4
- 2.Sc2#
- 1...Kxd5
- 2.Sxe2#
- 1...Kd6
- 2.Sxf5#
- 1...exd5
- 2.Sxf3#
- 1...Rh1
- 2.Sb5#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- B(c);N_GUARD::S(F),XP(d)
- P(f);SBLOCK::QAR1(H),XP(h)
- Tries
- Try
- S(D);XR(b)
- Threat
- DUALS(3)
- Vars
- K(e);P-FLIGHT::R(E)+S(F)
- R(a);XR(E)::QAR1(H),XP(h)
- R(a);::QAR1(H),XP(h)
- P(f);::QAR1(H),XP(h)
- Refutation
- K(e);P_SPINP(h),S_FLIGHT
- Try
- P(G);
- Threat
- DUALS(3)
- Vars
- R(a);XS(D)::S(F)
- R(b);XR(B)::PXB(i)=Q
- B(i);XP(G)::S(F)
- B(i);::S(F)
- P(d);::PXB(i)=Q
- Refutation
- K(e);P_SPINP(h),S_FLIGHT
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- R(a);XS(D)::QAR1(I),XP(h)
- B(i);::QAR1(I),XP(h)
- Refutation
- K(e);P_SPINP(h),S_FLIGHT
- Try
- Actual
- S(D);
- Threat
- QAR1(H),XP(h)
- Vars
- K(e);P-FLIGHT::R(E)+S(F)
- K(e);P-FLIGHT,XS(D)::R(B)+S(F),XR(b)
- K(e);P_SPINP(h),S_FLIGHT::S(F),XP(f)
- P(h);XS(D)::B(A)+S(F),DCHECK,XP(d)
- R(a);N_GUARD,P_PINQ(H)::B(A)+S(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).