MESON Chess Problem Database
Problem Display
PID: 95361 (3NQ3/P6r/p4p2/3kP3/KP1p1n2/p2P1n2/6R1/2r4B w - - 0 1)
Touw Hian Bwee
Neue Zurcher Zeitung, 1977-1978
#2
9 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Qe6#
- 1...Sxg2
- 2.Qe6#
- 1...Sh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sg6
- 2.Qe6#
- 1...Se2
- Tries
- 1.Rc2?
- threat
- 2.Bxf3#
- 1...Rcxh1
- 2.Rc5#
- 1...Rhxh1
- 2.a8Q#
- 2.a8B#
- 1...fxe5
- 2.Qc6#
- 1...Se6
- 2.Qxe6#
- 1...Re1
- 2.Rc5#
- 1...Rf1
- 2.Rc5#
- 1...Rh3
- 2.a8Q#
- 2.a8B#
- 1...Sg2
- 2.Qe6#
- 1...Re7!
- threat
- 1.Rg5?
- threat
- 2.Bxf3#
- 1...Rcxh1
- 2.Qc6#
- 1...Rhxh1
- 2.Qd7#
- 1...fxe5
- 2.Qxe5#
- 1...Re1
- 2.Qc6#
- 1...Rf1
- 2.Qc6#
- 1...Rh3
- 2.Qd7#
- 1...Sg2
- 2.Qe6#
- 1...Sxd3!
- threat
- 1.Rg7?
- threat
- 2.Bxf3#
- 1...Rcxh1
- 2.a8Q#
- 2.a8B#
- 1...Rhxh1
- 2.Rd7#
- 1...fxe5
- 2.Qd7#
- 1...Se6
- 2.Qxe6#
- 1...Re1
- 2.a8Q#
- 2.a8B#
- 1...Rf1
- 2.a8Q#
- 2.a8B#
- 1...Rh3
- 2.Rd7#
- 1...Sg2
- 2.Qe6#
- 1...Sxd3!
- threat
- 1.Qb5+?
- 1...Rc5
- 2.Qxc5#
- 1...axb5+!
- 1...Rc5
- 1.a8Q+?
- 1...Rc6
- 2.Qaxc6#
- 1...Rb7!
- 1...Rc6
- 1.a8B+?
- 1...Rc6
- 2.Bxc6#
- 1...Rb7!
- 1...Rc6
- 1.Rc2?
- Keys
- 1.Re2!
- threat
- 2.Bxf3#
- 1...Rcxh1
- 2.Qc6#
- 1...Rhxh1
- 2.Qd7#
- 1...Sxd3
- 2.Qe6#
- 1...fxe5
- 2.Qxe5#
- 1...Rf1
- 2.Qc6#
- 1...Rh3
- 2.Qd7#
- 1...Sg2
- 2.Qe6#
- threat
- 1.Re2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 5
- Sets
- S(e);N_GUARD::QAB1(I)
- S(e);N_GUARD,XR(B)::QAB1(I)
- S(e);N_GUARD::QAB1(I),XS(e)
- Tries
- Try
- R(B);P_PINS(c)
- Threat
- B(A),XS(c)
- Vars
- R(a);N_GUARD,N_SPINS(c),XB(A)::R1(B)
- R(i);N_GUARD,N_SPINS(c),XB(A)::P=Q
- P(h);SBLOCK,XP(F)::QAB1(I)
- S(e);N_GUARD::QAB1(I),XS(e)
- R(a);N_GUARD::R1(B)
- R(i);N_GUARD::P=Q
- S(e);N_GUARD,N_SPINS(c)::QAB1(I)
- Refutation
- R(i);
- Try
- R(B);P_PINS(c)
- Threat
- B(A),XS(c)
- Vars
- R(a);N_GUARD,N_SPINS(c),XB(A)::QAB1(I)
- R(i);N_GUARD,N_SPINS(c),XB(A)::QAR2(I)
- P(h);OGATE,P_SPINP(h),XP(F)::QAR1(I),XP(h)
- R(a);N_GUARD::QAB1(I)
- R(i);N_GUARD::QAR2(I)
- S(e);N_GUARD,N_SPINS(c)::QAB1(I)
- Refutation
- S(e);XP(C)
- Try
- R(B);P_PINS(c)
- Threat
- B(A),XS(c)
- Vars
- R(a);N_GUARD,N_SPINS(c),XB(A)::P=Q
- R(i);N_GUARD,N_SPINS(c),XB(A)::R(B)
- P(h);SBLOCK,XP(F)::QAR2(I)
- S(e);N_GUARD::QAB1(I),XS(e)
- R(a);N_GUARD::P=Q
- R(i);N_GUARD::R(B)
- S(e);N_GUARD,N_SPINS(c)::QAB1(I)
- Refutation
- S(e);XP(C)
- Try
- Q(I);CHECK
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAR1(I),XR(a)
- Refutation
- P(g);CHECK,XQ(I)
- Try
- P(G);CHECK
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAB1(G),XR(a)
- Refutation
- R(i);P_SPINR(i)
- Try
- P(G);CHECK
- Vars
- R(a);N_GUARD,P_SPINR(a)::B(G),XR(a)
- Refutation
- R(i);P_SPINR(i)
- Try
- Actual
- R(B);P_PINS(c)
- Threat
- B(A),XS(c)
- Vars
- R(a);N_GUARD,N_SPINS(c),XB(A)::QAB1(I)
- R(i);N_GUARD,N_SPINS(c),XB(A)::QAR2(I)
- S(e);N_GUARD,XP(C)::QAB1(I)
- P(h);OGATE,XP(F)::QAR1(I),XP(h)
- R(a);N_GUARD::QAB1(I)
- R(i);N_GUARD::QAR2(I)
- S(e);N_GUARD,N_SPINS(c)::QAB1(I)
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).