MESON Chess Problem Database
Problem Display
PID: 22060 (4bR2/K1N2rp1/p2P1kN1/1p1n1B1Q/3Rp2p/2B5/5b2/1q1n3r w - - 0 1)
ten Cate, Pieter
3rd Prize, Brisbane Courier, 1923-1924
#2
9 + 13
| 56 | The Problemist | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Bxd4+
- 2.Bxd4#
- 1...Bd7
- 2.Sxd5#
- 1...S1e3
- 2.Rxd5#
- 1...S5e3
- 2.Rxd1#
- 1...Se7
- 2.Sxe8#
- 1...Bxd4+
- Tries
- 1.Bh3?
- threat
- 2.Qf5#
- 1...Bxd4+
- 2.Bxd4#
- 1...Bd7
- 2.Sxd5#
- 1...S1e3
- 2.Rxd5#
- 1...S5e3
- 2.Rxd1#
- 1...Se7
- 2.Sxe8#
- 1...e3
- 2.Rf4#
- 1...Rxh3!
- threat
- 1.Bxe4?
- threat
- 2.Qe5#
- 2.Qf5#
- 1...Bxd4+
- 2.Bxd4#
- 1...Rxf8
- 2.Qf5#
- 1...Bg3
- 2.Qf5#
- 1...Bd7
- 2.Qe5#
- 1...S1e3
- 2.Rxd5#
- 2.Qe5#
- 1...S5e3
- 2.Rxd1#
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...Qxe4!
- threat
- 1.Be6?
- threat
- 2.Qf5#
- 1...Bxd4+
- 2.Bxd4#
- 1...S1e3
- 2.Rxd5#
- 1...S5e3
- 2.Rxd1#
- 1...e3
- 2.Rf4#
- 1...Se7!
- threat
- 1.Bd7?
- threat
- 2.Sxd5#
- 2.Sxe8#
- 2.Qf5#
- 1...Bxd4+
- 2.Bxd4#
- 1...Rxf8
- 2.Qf5#
- 1...S1xc3
- 2.Sxe8#
- 2.Qf5#
- 1...S5xc3
- 2.Sxe8#
- 2.Qf5#
- 1...Sxc7
- 2.Qf5#
- 1...Qa2
- 2.Sxe8#
- 2.Qf5#
- 1...Qb3
- 2.Sxe8#
- 2.Qf5#
- 1...S1e3
- 2.Sxe8#
- 2.Rxd5#
- 1...S5e3
- 2.Sxe8#
- 2.Rxd1#
- 1...Sb4
- 2.Sxe8#
- 2.Qf5#
- 1...Sf4
- 2.Sxe8#
- 2.Qf5#
- 1...Sb6
- 2.Sxe8#
- 2.Qf5#
- 1...Se7
- 2.Sxe8#
- 1...e3
- 2.Sxd5#
- 2.Sxe8#
- 2.Rf4#
- 1...Bxd7!
- threat
- 1.Bc8?
- threat
- 2.Qf5#
- 1...Bxd4+
- 2.Bxd4#
- 1...S1e3
- 2.Rxd5#
- 1...S5e3
- 2.Rxd1#
- 1...Se7
- 2.Sxe8#
- 1...e3
- 2.Rf4#
- 1...Bd7!
- threat
- 1.d7?
- threat
- 2.Sxd5#
- 2.Sxe8#
- 2.dxe8S#
- 1...Bxd4+
- 2.Bxd4#
- 1...Bxd7
- 2.Sxd5#
- 1...S1xc3
- 2.Sxe8#
- 2.dxe8S#
- 1...S5xc3
- 2.Sxe8#
- 2.dxe8S#
- 2.d8Q#
- 2.d8B#
- 1...Sxc7
- 2.d8Q#
- 2.d8B#
- 1...Qa2
- 2.Sxe8#
- 2.dxe8S#
- 1...Qb3
- 2.Sxe8#
- 2.dxe8S#
- 1...S1e3
- 2.Sxe8#
- 2.Rxd5#
- 2.dxe8S#
- 1...S5e3
- 2.Sxe8#
- 2.Rxd1#
- 2.Rd6#
- 2.dxe8S#
- 2.d8Q#
- 2.d8B#
- 1...Sb4
- 2.Sxe8#
- 2.dxe8S#
- 2.d8Q#
- 2.d8B#
- 1...Sf4
- 2.Sxe8#
- 2.dxe8S#
- 2.d8Q#
- 2.d8B#
- 1...Sb6
- 2.Sxe8#
- 2.Rd6#
- 2.dxe8S#
- 2.d8Q#
- 2.d8B#
- 1...Se7
- 2.Sxe8#
- 2.dxe8S#
- 1...Rxf8!
- threat
- 1.Bh3?
- Keys
- 1.Bg4!
- threat
- 2.Qf5#
- 1...Bxd4+
- 2.Bxd4#
- 1...Bd7
- 2.Sxd5#
- 1...S1e3
- 2.Rxd5#
- 1...S5e3
- 2.Rxd1#
- 1...Se7
- 2.Sxe8#
- 1...e3
- 2.Rf4#
- threat
- 1.Bg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(d);CHECK,OGATE,P_SPINB(d),XR(B)::B(A),XB(d)
- B(m);N_PINS(H)::S(H),XS(h)
- S(b);N_PINR(B)::B(A)+R(B),XS(h)
- S(h);N_PINR(B)::B(A)+R(B),XS(b)
- S(h);N_PINS(H)::S(H),XB(m)
- Tries
- Try
- B(C);
- Threat
- QAR1(D)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XR(B)::B(A),XB(d)
- B(m);N_PINS(H)::S(H),XS(h)
- S(b);N_PINR(B)::B(A)+R(B),XS(h)
- S(h);N_PINR(B)::B(A)+R(B),XS(b)
- S(h);N_PINS(H)::S(H),XB(m)
- P(e);N_PINR(B)::B(A)+R(B),DCHECK
- Refutation
- R(c);XB(C)
- Try
- B(C);XP(e)
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XR(B)::B(A),XB(d)
- R(k);N_PINS(H),N_SPINR(k),XR(I)::QAR1(D)
- B(d);N_PINR(B)::QAR1(D)
- B(m);N_PINS(H)::QAB1(D)
- S(h);N_PINS(H)::QAB1(D)
- Refutation
- Q(a);XB(C)
- Try
- B(C);
- Threat
- QAR1(D)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XR(B)::B(A),XB(d)
- S(b);N_PINR(B)::B(A)+R(B),XS(h)
- S(h);N_PINR(B)::B(A)+R(B),XS(b)
- P(e);N_PINR(B)::B(A)+R(B),DCHECK
- Refutation
- S(h);N_PINS(H)
- Try
- B(C);N_SPINS(H)
- Threat
- DUALS(3)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XR(B)::B(A),XB(d)
- R(k);N_SPINR(k),XR(I)::QAR1(D)
- S(h);XS(H)::QAR1(D)
- S(h);::S(H),XB(m)
- Refutation
- B(m);XB(C)
- Try
- B(C);
- Threat
- QAR1(D)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XR(B)::B(A),XB(d)
- S(b);N_PINR(B)::B(A)+R(B),XS(h)
- S(h);N_PINR(B)::B(A)+R(B),XS(b)
- S(h);N_PINS(H)::S(H),XB(m)
- P(e);N_PINR(B)::B(A)+R(B),DCHECK
- Refutation
- B(m);N_PINS(H)
- Try
- P(E);N_SPINS(H)
- Threat
- DUALS(3)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XR(B)::B(A),XB(d)
- B(m);XP(E)::S(H),XS(h)
- S(h);N_GUARD,XS(H)::P=Q
- Refutation
- R(k);N_SPINR(k),XR(I)
- Try
- Actual
- B(C);
- Threat
- QAR1(D)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XR(B)::B(A),XB(d)
- B(m);N_PINS(H)::S(H),XS(h)
- S(b);N_PINR(B)::B(A)+R(B),XS(h)
- S(h);N_PINR(B)::B(A)+R(B),XS(b)
- S(h);N_PINS(H)::S(H),XB(m)
- P(e);N_PINR(B)::B(A)+R(B),DCHECK
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).