MESON Chess Problem Database
Problem Display
PID: 207552 (2r5/2n1p1r1/5p2/qp1p2Rp/1B1k3P/1Pp2BQn/p3K3/6b1 w - - 0 1)
Henderson, Thomas
Australasian (The), 1872
#2
7 + 14
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sf4+
- 2.Qxf4#
- 1...Sa6
- 2.Rxd5#
- 1...Se6
- 2.Rxd5#
- 1...Sa8
- 2.Rxd5#
- 1...Se8
- 2.Rxd5#
- 1...Sf4+
- Tries
- 1.Bh1?
- threat
- 2.Qxc3#
- 2.Qd3#
- 1...Sf4+
- 2.Qxf4#
- 1...Rxg5
- 2.Qxc3#
- 1...Sxg5
- 2.Qxc3#
- 1...fxg5
- 2.Qxc3#
- 1...a1Q
- 2.Qd3#
- 1...a1B
- 2.Qd3#
- 1...Be3
- 2.Qxe3#
- 1...Sf2
- 2.Qxc3#
- 2.Qe3#
- 1...Sa6
- 2.Rxd5#
- 2.Qd3#
- 1...Se6
- 2.Rxd5#
- 2.Qd3#
- 1...Sa8
- 2.Rxd5#
- 2.Qd3#
- 1...Se8
- 2.Rxd5#
- 2.Qd3#
- 1...c2
- 2.Qc3#
- 2.Qd3#
- 1...f5
- 2.Qxc3#
- 1...Qxb4!
- threat
- 1.Bg2?
- threat
- 2.Qxc3#
- 2.Qd3#
- 1...Sf4+
- 2.Qxf4#
- 1...Rxg5
- 2.Qxc3#
- 1...Sxg5
- 2.Qxc3#
- 1...fxg5
- 2.Qxc3#
- 1...a1Q
- 2.Qd3#
- 1...a1B
- 2.Qd3#
- 1...Be3
- 2.Qxe3#
- 1...Sf2
- 2.Qxc3#
- 2.Qe3#
- 1...Sa6
- 2.Rxd5#
- 2.Qd3#
- 1...Se6
- 2.Rxd5#
- 2.Qd3#
- 1...Sa8
- 2.Rxd5#
- 2.Qd3#
- 1...Se8
- 2.Rxd5#
- 2.Qd3#
- 1...c2
- 2.Qc3#
- 2.Qd3#
- 1...f5
- 2.Qxc3#
- 1...Qxb4!
- threat
- 1.Qxg1+?
- 1...Sf2
- 2.Qxf2#
- 1...Sxg1+!
- 1...Sf2
- 1.Qg4+?
- 1...Sf4+
- 2.Qxf4#
- 1...hxg4!
- 1...Sf4+
- 1.Bh1?
- Keys
- 1.Qxc7!
- threat
- 2.Bc5#
- 2.Rxd5#
- 1...Sf4+
- 2.Qxf4#
- 1...Qxb4
- 2.Rxd5#
- 1...Qxc7
- 2.Rxd5#
- 1...Rxg5
- 2.Bc5#
- 1...Rxc7
- 2.Rxd5#
- 1...Sxg5
- 2.Bc5#
- 1...fxg5
- 2.Bc5#
- 1...Qb6
- 2.Bxc3#
- 2.Rxd5#
- 1...Qa3
- 2.Bxc3#
- 2.Rxd5#
- 1...Qa7
- 2.Bxc3#
- 2.Rxd5#
- 1...Qa8
- 2.Bxc3#
- 2.Bc5#
- 1...Rd8
- 2.Bc5#
- 2.Qxc3#
- 2.Qc5#
- 1...c2
- 2.Rxd5#
- 1...f5
- 2.Bc5#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bc5#
- threat
- 1.Qxc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 4
- Sets
- S(d);CHECK,N_GUARD::QAR2(D),XS(d)
- S(k);N_GUARD::R1(G),XP(h)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,N_GUARD::QAR2(D),XS(d)
- R(m);XR(G)::QAB1(D),XP(c)
- S(d);XR(G)::QAB1(D),XP(c)
- P(j);XR(G)::QAB1(D),XP(c)
- P(b);::QAR1(D)
- B(a);N_GUARD::QAB1(D),XB(a)
- P(j);::QAB1(D),XP(c)
- Refutation
- Q(f);XB(E)
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,N_GUARD::QAR2(D),XS(d)
- R(m);XR(G)::QAB1(D),XP(c)
- S(d);XR(G)::QAB1(D),XP(c)
- P(j);XR(G)::QAB1(D),XP(c)
- P(b);::QAR1(D)
- B(a);N_GUARD::QAB1(D),XB(a)
- P(j);::QAB1(D),XP(c)
- Refutation
- Q(f);XB(E)
- Try
- Q(D);CHECK,XB(a)
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB(D),XS(d)
- Refutation
- S(d);CHECK,XQ(D)
- Try
- Q(D);CHECK
- Vars
- S(d);CHECK,N_GUARD,P_SPINS(d)::QAR2(D),XS(d)
- Refutation
- P(i);XQ(D)
- Try
- Actual
- Q(D);XS(k)
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,N_GUARD::QAR2(D),XS(d)
- Q(f);XB(E)::R1(G),XP(h)
- Q(f);XQ(D)::R1(G),XP(h)
- R(m);XR(G)::B(E)
- R(n);XQ(D)::R1(G),XP(h)
- S(d);XR(G)::B(E)
- P(j);XR(G)::B(E)
- P(c);::R1(G),XP(h)
- P(j);::B(E)
- P(l);::B(E)
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).