MESON Chess Problem Database
Problem Display
PID: 201397 (8/1Q6/p2bK3/k3n3/1n6/1RN5/b2N4/8 w - - 0 1)
Corrias, Antonio G
1/2 HM., L'Alfiere di Re, 1922
#2
5 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Ra3#
- 1...Bxb3+
- 2.Sxb3#
- 1...Bc7
- 2.Qxb4#
- 2.Qxc7#
- 1...Be7
- 2.Qc7#
- 1...Bb8
- 2.Qxb4#
- 1...Bf8
- 2.Qc7#
- 1...Sc2
- 2.Qb6#
- 1...Sbd3
- 2.Qb6#
- 1...Sbc6
- 2.Qb6#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sec6
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Bb1
- Tries
- 1.Kxd6?
- threat
- 2.Ra3#
- 2.Qxb4#
- 2.Qc7#
- 1...Sc4+
- 2.Sxc4#
- 1...Bxb3
- 2.Sxb3#
- 2.Qc7#
- 1...Sc2
- 2.Qd5#
- 2.Qb6#
- 2.Qc7#
- 1...Sbd3
- 2.Ra3#
- 2.Qb6#
- 2.Qc7#
- 1...Sd5
- 2.Ra3#
- 2.Qxd5#
- 1...Sbc6
- 2.Ra3#
- 2.Qb6#
- 2.Qc7#
- 1...Sed3
- 2.Sc4#
- 2.Ra3#
- 2.Qc7#
- 1...Sec6
- 2.Sc4#
- 2.Ra3#
- 2.Qc7#
- 1...Sd7
- 2.Sc4#
- 2.Ra3#
- 2.Qxb4#
- 1...Sf7+!
- threat
- 1.Qc6?
- 1...Bxb3+
- 2.Sxb3#
- 1...Sexc6
- 2.Sc4#
- 1...Bc5
- 2.Qxc5#
- 1...Bb1
- 2.Ra3#
- 1...Bc7
- 2.Qc5#
- 2.Qxc7#
- 1...Be7
- 2.Qc7#
- 1...Bb8
- 2.Qc5#
- 1...Bf8
- 2.Qc7#
- 1...Sc2
- 2.Qa4#
- 2.Qb6#
- 1...Sbd3
- 2.Qa4#
- 2.Qb6#
- 1...Sd5
- 2.Qa4#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sbxc6!
- 1...Bxb3+
- 1.Kxd6?
- Keys
- 1.Qa7!
- 1...Bxb3+
- 2.Sxb3#
- 1...Bc5
- 2.Qxc5#
- 1...Bb1
- 2.Ra3#
- 1...Bc7
- 2.Qc5#
- 2.Qxc7#
- 1...Be7
- 2.Qc7#
- 1...Bb8
- 2.Qc5#
- 1...Bf8
- 2.Qc7#
- 1...Sc2
- 2.Qb6#
- 1...Sbd3
- 2.Qb6#
- 1...Sd5
- 2.Rb5#
- 1...Sbc6
- 2.Qb6#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sec6
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Bxb3+
- 1.Qa7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);N_PINR(B)::R(B)
- B(a);CHECK,XR(B)::S(A),XB(a)
- B(f);N_GUARD::QAB(E)
- B(f);N_GUARD::QAB1(E),XS(b)
- S(b);::QAB1(E)
- S(d);N_GUARD::S(A)
- S(d);N_GUARD,N_PINR(B)::S(A),XS(d)
- Tries
- Try
- K(D);N_SPINR(B),P-FLIGHT,XB(f)
- Threat
- DUALS(3)
- Vars
- S(d);CHECK,N_GUARD::S(A),XS(d)
- Refutation
- S(d);CHECK
- Try
- Q(E);
- Vars
- B(a);CHECK,XR(B)::S(A),XB(a)
- S(d);N_GUARD,XQ(E)::S(A)
- B(f);N_GUARD::QAR2(E),XB(f)
- B(a);N_PINR(B)::R(B)
- B(f);N_GUARD::QAB(E)
- B(f);N_GUARD::QAR2(E)
- S(b);N_PINR(B)::QAR1(E)
- S(d);N_GUARD::S(A)
- S(d);N_GUARD,N_PINR(B)::S(A),XS(d)
- Refutation
- S(b);XQ(E)
- Try
- Actual
- Q(E);P_PINP(e)
- Vars
- B(a);CHECK,XR(B)::S(A),XB(a)
- B(f);N_GUARD::QAR2(E),XB(f)
- B(a);N_PINR(B)::R(B)
- B(f);N_GUARD::QAB(E)
- B(f);N_GUARD::QAR2(E)
- S(b);::QAB1(E)
- S(b);N_PINR(B)::R1(B)
- S(d);N_GUARD::S(A)
- S(d);N_GUARD,N_PINR(B)::S(A),XS(d)
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).