MESON Chess Problem Database
Problem Display
PID: 229143 (2n1K3/2N5/R3Qpn1/1B3p2/1PNk1P2/R2brP2/3q1B2/6b1 w - - 0 1)
ten Cate, Pieter
Handelsblad van Antwerpen, 1926
#2
11 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qc3
- 2.Qxe3#
- 1...Qxb4
- 2.Qxe3#
- 1...Qd1
- 2.Qxe3#
- 1...Qa2
- 2.Qxe3#
- 1...Qb2
- 2.Qxe3#
- 1...Qc2
- 2.Qxe3#
- 1...Se5
- 2.Qd5#
- 1...Sge7
- 2.Qxf6#
- 1...Sd6+
- 2.Rxd6#
- 1...Sa7
- 2.Rd6#
- 1...Sce7
- 2.Qb6#
- 1...Qc3
- Tries
- 1.Kd8?
- threat
- 2.Qd5#
- 1...Bxc4
- 2.Qxc4#
- 1...Sxf4
- 2.Qxf6#
- 1...Sge7
- 2.Qxf6#
- 1...Sb6
- 2.Qxb6#
- 1...Sce7
- 2.Qb6#
- 1...Be4!
- threat
- 1.Sxd2?
- threat
- 2.Rxd3#
- 2.Qxe3#
- 1...Bxb5+
- 2.Sxb5#
- 1...Sd6+
- 2.Rxd6#
- 1...Sxf4
- 2.Qxe3#
- 1...Bb1
- 2.Qxe3#
- 1...Bf1
- 2.Qxe3#
- 1...Bc2
- 2.Qxe3#
- 1...Be2
- 2.Qxe3#
- 1...Bc4
- 2.Qxe3#
- 1...Be4
- 2.Qc4#
- 1...Se5
- 2.Qd5#
- 1...Bxf2!
- threat
- 1.Sxe3?
- threat
- 2.Sc2#
- 2.Sxf5#
- 2.Qd5#
- 1...Bxb5+
- 2.Sxb5#
- 1...Sd6+
- 2.Rxd6#
- 2.Qxd6#
- 1...Qxe3
- 2.Rxd3#
- 2.Qxe3#
- 1...Qxf2
- 2.Rxd3#
- 1...Sxf4
- 2.Sc2#
- 2.Sxf5#
- 2.Qxf6#
- 1...Qa2
- 2.Sc2#
- 2.Sxf5#
- 2.Rxd3#
- 1...Qc2
- 2.Sxc2#
- 2.Sxf5#
- 2.Qd5#
- 1...Bc2
- 2.Sxc2#
- 2.Sxf5#
- 2.Qc4#
- 2.Qd5#
- 1...Bc4
- 2.Sc2#
- 2.Sxf5#
- 2.Qxc4#
- 1...Be4
- 2.Sc2#
- 2.Sxf5#
- 2.Qc4#
- 1...Sge7
- 2.Sc2#
- 2.Sxf5#
- 2.Qxf6#
- 1...Sb6
- 2.Sc2#
- 2.Sxf5#
- 2.Qxb6#
- 1...Sce7
- 2.Sc2#
- 2.Sxf5#
- 2.Qb6#
- 1...Bxf2!
- threat
- 1.Se5?
- threat
- 2.Sc6#
- 2.Qd5#
- 1...Bxb5+
- 2.Sxb5#
- 1...Sd6+
- 2.Rxd6#
- 2.Qxd6#
- 1...Qxb4
- 2.Qd5#
- 1...Sxf4
- 2.Sc6#
- 1...Sxe5
- 2.Qd5#
- 1...fxe5
- 2.Qd5#
- 1...Qc1
- 2.Rxd3#
- 2.Qd5#
- 1...Qc3
- 2.Qd5#
- 1...Qa2
- 2.Sc6#
- 2.Rxd3#
- 1...Qc2
- 2.Qd5#
- 1...Bc4
- 2.Sc6#
- 2.Qxc4#
- 1...Be4
- 2.Qc4#
- 1...Sb6
- 2.Sc6#
- 2.Qxb6#
- 1...Sa7
- 2.Rd6#
- 2.Qd5#
- 2.Qd7#
- 2.Qb6#
- 2.Qd6#
- 1...Sce7
- 2.Qb6#
- 1...Sge7!
- threat
- 1.Bxe3+?
- 1...Bxe3
- 2.Qd5#
- 1...Qxe3!
- 1...Bxe3
- 1.Kd8?
- Keys
- 1.Sa5!
- threat
- 2.Sc6#
- 1...Bxb5+
- 2.Sxb5#
- 1...Sd6+
- 2.Rxd6#
- 1...Qxb4
- 2.Qxe3#
- 1...Qc1
- 2.Rxd3#
- 1...Qc3
- 2.Qxe3#
- 1...Qc2
- 2.Qxe3#
- 1...Be4
- 2.Qc4#
- 1...Se5
- 2.Qd5#
- 1...Sge7
- 2.Qxf6#
- 1...Sa7
- 2.Rd6#
- 1...Sce7
- 2.Qb6#
- threat
- 1.Sa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- Q(b);N_GUARD::QAB1(I),XR(d)
- Q(b);N_GUARD,XP(D)::QAB1(I),XR(d)
- S(h);N_PINQ(I)::QAR1(I)
- S(h);N_PINQ(I)::QAB(I),XP(g)
- S(i);CHECK,N_GUARD::R(H),XS(i)
- S(i);N_GUARD::R(H)
- S(i);N_PINQ(I)::QAB(I)
- Tries
- Try
- K(K);N_SPINQ(I),P-FLIGHT
- Threat
- QAR1(I)
- Vars
- B(c);OGATE,XS(E)::QAR1(I),XB(c)
- S(h);N_GUARD,XP(F)::QAB(I),XP(g)
- S(h);N_GUARD::QAB(I),XP(g)
- S(i);N_GUARD::QAB(I),XS(i)
- S(i);N_GUARD::QAB(I)
- Refutation
- B(c);
- Try
- S(E);XQ(b)
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,XB(G)::S(J),XB(c)
- S(i);CHECK,N_GUARD::R(H),XS(i)
- S(h);XP(F)::QAB1(I),XR(d)
- B(c);::QAB1(I),XR(d)
- B(c);N_PINQ(I)::QAR1(I)
- S(h);N_PINQ(I)::QAR1(I)
- Refutation
- B(a);N_SPINR(d),XB(A)
- Try
- S(E);N_SPINQ(I),XR(d)
- Threat
- DUALS(3)
- Vars
- B(c);CHECK,XB(G)::S(J),XB(c)
- Q(b);N_GUARD,XB(A)::R1(B),XB(c)
- Refutation
- B(a);XB(A)
- Try
- S(E);N_SPINQ(I)
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,XB(G)::S(J),XB(c)
- Q(b);XP(D)::QAR1(I)
- S(h);XP(F)::S(E)
- S(h);XS(E)::QAR1(I)
- P(g);XS(E)::QAR1(I)
- Q(b);::QAR1(I)
- B(c);N_GUARD::QAR1(I)
- S(i);N_GUARD::QAB(I)
- Refutation
- S(h);
- Try
- B(A);CHECK,N_SPINQ(I),XR(d)
- Vars
- B(a);XB(A)::QAR1(I)
- Refutation
- Q(b);P_PINQ(I),XB(A)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- B(c);CHECK,XB(G)::S(J),XB(c)
- S(i);CHECK,N_GUARD::R(H),XS(i)
- Q(b);N_GUARD,XP(D)::QAB1(I),XR(d)
- Q(b);N_GUARD::R1(B),XB(c)
- Q(b);N_GUARD::QAB1(I),XR(d)
- B(c);N_PINQ(I)::QAR1(I)
- S(h);N_PINQ(I)::QAR1(I)
- S(h);N_PINQ(I)::QAB(I),XP(g)
- S(i);N_GUARD::R(H)
- S(i);N_PINQ(I)::QAB(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).