MESON Chess Problem Database
Problem Display
PID: 81579 (b1Rb3r/B2N1p2/Q2p4/1P1k1K1p/R7/2pn1p2/2n1P1N1/4q3 w - - 0 1)
Macleod, Norman Alasdair
1st Comm., Ahues-60 JT, 1982
#2
9 + 12
| 6455 | The Chessboard Adventures of Norman Macleod | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qd2
- 2.e4#
- 1...Qf2
- 2.e4#
- 1...Qg3
- 2.e4#
- 1...Qa1
- 2.e4#
- 1...Qb1
- 2.e4#
- 1...Qc1
- 2.e4#
- 1...Qd1
- 2.e4#
- 1...Qf1
- 2.e4#
- 1...Qg1
- 2.e4#
- 1...Qh1
- 2.e4#
- 1...Bc6
- 2.Qxc6#
- 1...Bb7
- 2.Qxb7#
- 1...Bh4
- 2.Sb6#
- 1...Ba5
- 2.Sf6#
- 1...Bg5
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 2.Sf6#
- 1...Bf6
- 2.Sb6#
- 2.Sxf6#
- 1...Bc7
- 2.Sf6#
- 1...Be7
- 2.Sb6#
- 1...Sa1
- 2.Se3#
- 2.Rd4#
- 1...Sa3
- 2.Se3#
- 2.Rd4#
- 1...Se3+
- 2.Sxe3#
- 1...Scb4
- 2.Se3#
- 1...Sd4+
- 2.Rxd4#
- 1...Sc1
- 2.Sf4#
- 1...Sb2
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sdb4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sc5
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Qd2
- Tries
- 1.Bg1?
- threat
- 2.Qxa8#
- 1...Se3+
- 2.Sxe3#
- 1...Sd4+
- 2.Rxd4#
- 1...Bc6
- 2.Qxc6#
- 1...Bb7
- 2.Qxb7#
- 1...Sdb4
- 2.Sf4#
- 1...Sc5
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Scb4!
- threat
- 1.Bf2?
- threat
- 2.Qxa8#
- 1...Se3+
- 2.Sxe3#
- 1...Sd4+
- 2.Rxd4#
- 1...Bc6
- 2.Qxc6#
- 1...Bb7
- 2.Qxb7#
- 1...Sdb4
- 2.Sf4#
- 1...Sc5
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Scb4!
- threat
- 1.Be3?
- threat
- 2.Qxa8#
- 1...Sxe3+
- 2.Sxe3#
- 1...Sd4+
- 2.Rxd4#
- 1...Bc6
- 2.Qxc6#
- 1...Bb7
- 2.Qxb7#
- 1...Sdb4
- 2.Sf4#
- 1...Sc5
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Scb4!
- threat
- 1.Bb6?
- threat
- 2.Qxa8#
- 1...Se3+
- 2.Sxe3#
- 1...Sd4+
- 2.Rxd4#
- 1...Scb4
- 2.Se3#
- 1...Bb7
- 2.Qxb7#
- 1...Sdb4
- 2.Sf4#
- 1...Sc5
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Bc6!
- threat
- 1.Bb8?
- threat
- 2.Qxd6#
- 2.Qxa8#
- 1...Se3+
- 2.Sxe3#
- 1...Scb4
- 2.Qxd6#
- 1...Sdb4
- 2.Qxd6#
- 1...Qg3
- 2.Qxa8#
- 2.e4#
- 1...Rh6
- 2.Qxa8#
- 1...Bc6
- 2.Qxc6#
- 1...Bb7
- 2.Qxb7#
- 2.Qxd6#
- 1...Bb6
- 2.Sxb6#
- 2.Sf6#
- 2.Qxa8#
- 1...Bc7
- 2.Qxa8#
- 1...Be7
- 2.Sb6#
- 2.Qxa8#
- 1...Sc5
- 2.Sf4#
- 2.Qxd6#
- 1...Se5
- 2.Sf4#
- 2.Qxd6#
- 1...Sd4+!
- threat
- 1.Rb4?
- threat
- 2.Qa2#
- 1...Se3+
- 2.Sxe3#
- 1...Sd4+
- 2.Rxd4#
- 1...Scxb4
- 2.Se3#
- 1...Sdxb4
- 2.Sf4#
- 1...Qa1
- 2.e4#
- 1...Qb1
- 2.e4#
- 1...Ba5
- 2.Sf6#
- 1...Sa1
- 2.Se3#
- 2.Rd4#
- 1...Sa3
- 2.Se3#
- 2.Rd4#
- 1...Sc1
- 2.Sf4#
- 1...Sb2
- 2.Sf4#
- 1...Sc5
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Qh4!
- threat
- 1.Rg4?
- threat
- 2.Qa2#
- 1...Se3+
- 2.Sxe3#
- 1...Sd4+
- 2.Rxd4#
- 1...Scb4
- 2.Se3#
- 2.Rd4#
- 1...Qa1
- 2.e4#
- 1...Qb1
- 2.e4#
- 1...Ba5
- 2.Sf6#
- 1...Sa1
- 2.Se3#
- 2.Rd4#
- 1...Sa3
- 2.Se3#
- 2.Rd4#
- 1...Sc1
- 2.Sf4#
- 1...Sb2
- 2.Sf4#
- 1...Sdb4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Sc5!
- threat
- 1.Rc5+?
- 1...Sxc5
- 2.Sf4#
- 1...dxc5!
- 1...Sxc5
- 1.Rc6?
- threat
- 2.Rxd6#
- 1...Se3+
- 2.Sxe3#
- 1...Sd4+
- 2.Rxd4#
- 1...Bxc6
- 2.Qxc6#
- 1...Scb4
- 2.Se3#
- 1...Qg3
- 2.e4#
- 1...Bb6
- 2.Sxb6#
- 2.Sf6#
- 1...Bc7
- 2.Sf6#
- 1...Be7
- 2.Sb6#
- 1...Sdb4
- 2.Sf4#
- 1...Rh6!
- threat
- 1.Rxa8?
- threat
- 2.Qb7#
- 2.Qc6#
- 1...Se3+
- 2.Sxe3#
- 1...Sd4+
- 2.Rxd4#
- 1...Scb4
- 2.Se3#
- 1...Bb6
- 2.Qb7#
- 1...Sc5
- 2.Sf4#
- 2.Qc6#
- 1...Se5
- 2.Sf4#
- 1...Sdb4!
- threat
- 1.Bg1?
- Keys
- 1.Rc7!
- threat
- 2.Sb6#
- 1...Se3+
- 2.Sxe3#
- 1...Sd4+
- 2.Rxd4#
- 1...Bxc7
- 2.Sf6#
- 1...Scb4
- 2.Se3#
- 1...Qf2
- 2.e4#
- 1...Qg1
- 2.e4#
- 1...Bc6
- 2.Qxc6#
- 1...Sdb4
- 2.Sf4#
- threat
- 1.Rc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 19
- Sets
- Q(a);N_GUARD::P(A)
- B(j);N_GUARD::QAB1(F),XB(j)
- B(j);N_GUARD::QAB(F),XB(j)
- B(k);N_GUARD::S(H)
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);N_GUARD::S(B)
- S(b);CHECK,N_GUARD::R1(C),XS(b)
- S(d);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XS(d)
- Tries
- Try
- B(G);
- Threat
- QAB(F),XB(j)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);CHECK,N_GUARD::R1(C),XS(b)
- B(j);N_GUARD::QAB1(F),XB(j)
- B(j);N_GUARD::QAB(F),XB(j)
- S(d);N_GUARD::S(B)
- Refutation
- S(b);
- Try
- B(G);
- Threat
- QAB(F),XB(j)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);CHECK,N_GUARD::R1(C),XS(b)
- B(j);N_GUARD::QAB1(F),XB(j)
- B(j);N_GUARD::QAB(F),XB(j)
- S(d);N_GUARD::S(B)
- Refutation
- S(b);
- Try
- B(G);
- Threat
- QAB(F),XB(j)
- Vars
- S(b);CHECK,XB(G)::S(B),XS(b)
- S(b);CHECK,N_GUARD::R1(C),XS(b)
- B(j);N_GUARD::QAB1(F),XB(j)
- B(j);N_GUARD::QAB(F),XB(j)
- S(d);N_GUARD::S(B)
- Refutation
- S(b);
- Try
- B(G);
- Threat
- QAB(F),XB(j)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);CHECK,N_GUARD::R1(C),XS(b)
- S(b);N_GUARD::S(B)
- B(j);N_GUARD::QAB(F),XB(j)
- S(d);N_GUARD::S(B)
- Refutation
- B(j);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);::QAR1(F),XP(h)
- S(d);::QAR1(F),XP(h)
- R(l);::QAB(F),XB(j)
- B(j);N_GUARD::QAB1(F),XB(j)
- B(k);::QAB(F),XB(j)
- Refutation
- S(b);CHECK
- Try
- R(C);
- Threat
- QAB(F)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);CHECK,N_GUARD::R1(C),XS(b)
- S(b);N_GUARD,XR(C)::S(B)
- S(d);N_GUARD,XR(C)::S(B)
- Q(a);N_GUARD::P(A)
- B(k);N_GUARD::S(H)
- S(d);N_GUARD::S(B)
- Refutation
- Q(a);
- Try
- R(C);
- Threat
- QAB(F)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);CHECK,N_GUARD::R1(C),XS(b)
- Q(a);N_GUARD::P(A)
- B(k);N_GUARD::S(H)
- S(d);N_GUARD::S(B)
- Refutation
- S(d);
- Try
- R(I);CHECK
- Vars
- S(d);XR(I)::S(B)
- Refutation
- P(h);XR(I)
- Try
- R(I);
- Threat
- R1(I),XP(h)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);CHECK,N_GUARD::R1(C),XS(b)
- B(j);OGATE,XR(I)::QAB1(F),XB(j)
- S(b);N_GUARD::S(B)
- Q(a);N_GUARD::P(A)
- B(k);N_GUARD::S(H)
- S(d);N_GUARD::S(B)
- Refutation
- R(l);
- Try
- R(I);XB(j)
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);CHECK,N_GUARD::R1(C),XS(b)
- S(b);N_GUARD::S(B)
- B(k);::QAB(F)
- S(d);N_GUARD::S(B)
- Refutation
- S(d);
- Try
- Actual
- R(I);
- Threat
- S(H)
- Vars
- S(b);CHECK,N_GUARD::S(B),XS(b)
- S(b);CHECK,N_GUARD::R1(C),XS(b)
- B(k);N_GUARD,XR(I)::S(H)
- S(b);N_GUARD::S(B)
- Q(a);N_GUARD::P(A)
- B(j);N_GUARD::QAB1(F),XB(j)
- S(d);N_GUARD::S(B)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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