MESON Chess Problem Database
Problem Display
PID: 248169 (4K3/4p2N/7n/2N1rk1r/2p2pR1/7p/2R5/1B1Qb3 w - - 0 1)
ten Cate, Pieter
Comm., White MT (B), 1952-1953
#2
7 + 9
| 14867 | BCPS Library | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Rg5#
- 1...Rg5
- 2.Rxg5#
- 1...f3
- 2.Qxf3#
- 1...Rh4
- Tries
- 1.Rg1?
- threat
- 2.Qxh5#
- 1...Rxc5
- 2.Re2#
- 1...Re2
- 2.Rxe2#
- 1...Rg5
- 2.Rxg5#
- 1...Sg4
- 2.Qxg4#
- 1...f3
- 2.Qxf3#
- 1...Rh4
- 2.Rg5#
- 1...Sf7
- 2.Qg4#
- 1...Bh4!
- threat
- 1.Rgg2?
- threat
- 2.Qxh5#
- 1...Rxc5
- 2.Rce2#
- 1...Re2
- 2.Rcxe2#
- 1...Rg5
- 2.Rxg5#
- 1...Sg4
- 2.Qxg4#
- 1...f3
- 2.Qxf3#
- 1...Rh4
- 2.Rg5#
- 1...Sf7
- 2.Qg4#
- 1...Bh4!
- threat
- 1.Rxf4+?
- 1...Kg6
- 2.Rg2#
- 1...Kxf4!
- 1...Kg6
- 1.Rg7?
- threat
- 2.Qxh5#
- 1...Rxc5
- 2.Re2#
- 1...Re2
- 2.Rxe2#
- 1...f3
- 2.Qxf3#
- 1...Rh4
- 2.Rg5#
- 1...Rg5
- 2.Rxg5#
- 1...Sg4
- 2.Qxg4#
- 1...Sf7
- 2.Qg4#
- 1...Bh4!
- threat
- 1.Rg8?
- threat
- 2.Qxh5#
- 1...Rxc5
- 2.Re2#
- 1...Re2
- 2.Rxe2#
- 1...f3
- 2.Qxf3#
- 1...Rh4
- 2.Rg5#
- 1...Rg5
- 2.Rxg5#
- 1...Sg4
- 2.Qxg4#
- 1...Sf7
- 2.Qg4#
- 1...Bh4!
- threat
- 1.Qd7+?
- 1...Re6
- 2.Qxe6#
- 1...e6!
- 1...Re6
- 1.Rg1?
- Keys
- 1.Rg3!
- threat
- 2.Qxh5#
- 1...Rxc5
- 2.Re2#
- 1...fxg3
- 2.Rf2#
- 1...Re2
- 2.Rxe2#
- 1...Rg5
- 2.Rxg5#
- 1...Sg4
- 2.Qxg4#
- 1...f3
- 2.Qxf3#
- 1...Rh4
- 2.Rg5#
- 1...Sf7
- 2.Qg4#
- threat
- 1.Rg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(g);N_GUARD::R1(D)
- R(g);N_GUARD::R1(D),XR(g)
- P(d);OGATEB::QAR2(B),XP(d)
- Tries
- Try
- R(D);
- Threat
- QAR2(B),XR(g)
- Vars
- R(e);N_GUARD,XS(E)::B(A)+R(C)
- R(e);N_GUARD::B(A)+R(C),XR(e)
- R(g);N_GUARD::R1(D),XR(g)
- S(h);N_GUARD::QAB1(B),XS(h)
- P(d);OGATEB::QAR2(B),XP(d)
- R(g);N_GUARD::R1(D)
- S(h);N_GUARD::QAB1(B)
- Refutation
- B(a);
- Try
- R(D);
- Threat
- QAR2(B),XR(g)
- Vars
- R(e);N_GUARD,XS(E)::B(A)+R(C)
- R(e);N_GUARD::B(A)+R(C),XR(e)
- R(g);N_GUARD::R1(D),XR(g)
- S(h);N_GUARD::QAB1(B),XS(h)
- P(d);OGATEB::QAR2(B),XP(d)
- R(g);N_GUARD::R1(D)
- S(h);N_GUARD::QAB1(B)
- Refutation
- B(a);
- Try
- R(D);CHECK,XP(d)
- Vars
- K(f);S_FLIGHT::B(A)+R(C),DCHECK
- Refutation
- K(f);P-FLIGHT,XR(D)
- Try
- R(D);
- Threat
- QAR2(B),XR(g)
- Vars
- R(e);N_GUARD,XS(E)::B(A)+R(C)
- R(e);N_GUARD::B(A)+R(C),XR(e)
- P(d);OGATEB::QAR2(B),XP(d)
- R(g);N_GUARD::R1(D)
- R(g);N_GUARD::R1(D),XR(g)
- S(h);N_GUARD::QAB1(B),XS(h)
- S(h);N_GUARD::QAB1(B)
- Refutation
- B(a);
- Try
- R(D);
- Threat
- QAR2(B),XR(g)
- Vars
- R(e);N_GUARD,XS(E)::B(A)+R(C)
- R(e);N_GUARD::B(A)+R(C),XR(e)
- P(d);OGATEB::QAR2(B),XP(d)
- R(g);N_GUARD::R1(D)
- R(g);N_GUARD::R1(D),XR(g)
- S(h);N_GUARD::QAB1(B),XS(h)
- S(h);N_GUARD::QAB1(B)
- Refutation
- B(a);
- Try
- Q(B);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::QAB1(B),XR(e)
- Refutation
- P(i);P_SPINP(i)
- Try
- Actual
- R(D);
- Threat
- QAR2(B),XR(g)
- Vars
- R(e);N_GUARD,XS(E)::B(A)+R(C)
- P(d);XR(D)::B(A)+R(C),DCHECK
- R(e);N_GUARD::B(A)+R(C),XR(e)
- R(g);N_GUARD::R1(D),XR(g)
- S(h);N_GUARD::QAB1(B),XS(h)
- P(d);OGATEB::QAR2(B),XP(d)
- R(g);N_GUARD::R1(D)
- S(h);N_GUARD::QAB1(B)
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).