MESON Chess Problem Database
Problem Display
PID: 15349 (8/3p4/Q2n4/5N1R/2n2kp1/6N1/3P2K1/B7 w - - 0 1)
Shankar Ram, Narayanan
The Hindu, 1982
#2
7 + 5
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Qxd6#
- 1...Sxd2
- 2.Qxd6#
- 1...Sa3
- 2.Qf1#
- 2.Qxd6#
- 1...Se3+
- 2.dxe3#
- 1...Sa5
- 2.Qf1#
- 2.Qxd6#
- 1...Sb6
- 2.Qf1#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Qh6#
- 1...Sxf5
- 2.Rxf5#
- 1...Sb7
- 2.Qxc4#
- 2.Qh6#
- 1...Sf7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 2.Qh6#
- 1...Se8
- 2.Qxc4#
- 2.Qh6#
- 1...Sb2
- Tries
- 1.Se3?
- threat
- 2.Sd5#
- 1...Sb6
- 2.Be5#
- 2.Qf1#
- 1...Sxe3+!
- threat
- 1.Se7?
- threat
- 2.Sd5#
- 2.Sg6#
- 1...Sxd2
- 2.Sd5#
- 1...Se5
- 2.Sd5#
- 2.Bxe5#
- 1...Sb6
- 2.Sg6#
- 2.Be5#
- 2.Qf1#
- 1...Se3+!
- threat
- 1.Bb2?
- 1...Se3+
- 2.dxe3#
- 1...Sxb2
- 2.Qxd6#
- 1...Sxd2
- 2.Qxd6#
- 1...Sxf5
- 2.Rxf5#
- 1...Sa3
- 2.Qf1#
- 2.Qxd6#
- 1...Sa5
- 2.Qf1#
- 2.Qxd6#
- 1...Sb6
- 2.Qf1#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Qh6#
- 1...Sb7
- 2.Qxc4#
- 2.Qh6#
- 1...Sf7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 2.Qh6#
- 1...Se8
- 2.Qxc4#
- 2.Qh6#
- 1...Se5!
- 1...Se3+
- 1.Bc3?
- 1...Se3+
- 2.dxe3#
- 1...Sxd2
- 2.Qxd6#
- 1...Sxf5
- 2.Rxf5#
- 1...Sb2
- 2.Qf1#
- 2.Qxd6#
- 1...Sa3
- 2.Qf1#
- 2.Qxd6#
- 1...Sa5
- 2.Qf1#
- 2.Qxd6#
- 1...Sb6
- 2.Qf1#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Qh6#
- 1...Sb7
- 2.Qxc4#
- 2.Qh6#
- 1...Sf7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 2.Qh6#
- 1...Se8
- 2.Qxc4#
- 2.Qh6#
- 1...Se5!
- 1...Se3+
- 1.Bd4?
- 1...Se3+
- 2.dxe3#
- 1...Sxd2
- 2.Qxd6#
- 1...Sxf5
- 2.Rxf5#
- 1...Se5
- 2.Be3#
- 1...Sb2
- 2.Qf1#
- 2.Qxd6#
- 1...Sa3
- 2.Qf1#
- 2.Qxd6#
- 1...Sa5
- 2.Qf1#
- 2.Qxd6#
- 1...Sb6
- 2.Qf1#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Qh6#
- 1...Sb7
- 2.Qh6#
- 1...Sc8
- 2.Qh6#
- 1...Se8
- 2.Qh6#
- 1...Sf7!
- 1...Se3+
- 1.Bf6?
- 1...Se3+
- 2.dxe3#
- 1...Sxd2
- 2.Qxd6#
- 1...Sxf5
- 2.Rxf5#
- 1...Se5
- 2.Bg5#
- 1...Sb2
- 2.Qf1#
- 2.Qxd6#
- 1...Sa3
- 2.Qf1#
- 2.Qxd6#
- 1...Sa5
- 2.Qf1#
- 2.Qxd6#
- 1...Sb6
- 2.Qf1#
- 1...Se4
- 2.Se2#
- 1...Sb7
- 2.Qxc4#
- 1...Sf7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 1...Se8
- 2.Qxc4#
- 1...Sb5!
- 1...Se3+
- 1.Bh8?
- 1...Se3+
- 2.dxe3#
- 1...Sxd2
- 2.Qxd6#
- 1...Sxf5
- 2.Rxf5#
- 1...Sb2
- 2.Qf1#
- 2.Qxd6#
- 1...Sa3
- 2.Qf1#
- 2.Qxd6#
- 1...Sa5
- 2.Qf1#
- 2.Qxd6#
- 1...Sb6
- 2.Qf1#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Qh6#
- 1...Sb7
- 2.Qxc4#
- 2.Qh6#
- 1...Sf7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 2.Qh6#
- 1...Se8
- 2.Qxc4#
- 2.Qh6#
- 1...Se5!
- 1...Se3+
- 1.Qxc4+?
- 1...Se4
- 2.Se2#
- 2.Qxe4#
- 1...Sxc4!
- 1...Se4
- 1.Qa4?
- 1...Sxf5
- 2.Rxf5#
- 1...Se4
- 2.Se2#
- 1...Sb7
- 2.Qxc4#
- 1...Sf7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 1...Se8
- 2.Qxc4#
- 1...Sb5!
- 1...Sxf5
- 1.Qb6?
- threat
- 2.Qf2#
- 1...Se3+
- 2.Qxe3#
- 2.dxe3#
- 1...Sxd2
- 2.Qe3#
- 2.Qxd6#
- 1...Sb2
- 2.Qe3#
- 2.Qxd6#
- 1...Se5
- 2.Qe3#
- 1...Se4
- 2.Se2#
- 1...Sxb6!
- threat
- 1.Qc6?
- threat
- 2.Se2#
- 1...Se3+
- 2.dxe3#
- 1...Sb2
- 2.Qxd6#
- 1...dxc6!
- threat
- 1.Qxd6+?
- 1...Se5
- 2.Bxe5#
- 2.Qxe5#
- 2.Qd4#
- 2.Qh6#
- 1...Sxd6!
- 1...Se5
- 1.Qa7?
- threat
- 2.Qf2#
- 1...Se3+
- 2.Qxe3#
- 2.dxe3#
- 1...Sxd2
- 2.Qe3#
- 1...Sb2
- 2.Qe3#
- 1...Se5
- 2.Qe3#
- 1...Se4
- 2.Se2#
- 1...Sb6!
- threat
- 1.Se3?
- Keys
- 1.Bg7!
- 1...Se3+
- 2.dxe3#
- 1...Sxd2
- 2.Qxd6#
- 1...Sxf5
- 2.Rxf5#
- 1...Se5
- 2.Bh6#
- 1...Sb2
- 2.Qf1#
- 2.Qxd6#
- 1...Sa3
- 2.Qf1#
- 2.Qxd6#
- 1...Sa5
- 2.Qf1#
- 2.Qxd6#
- 1...Sb6
- 2.Qf1#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Qh6#
- 1...Sb7
- 2.Qxc4#
- 2.Qh6#
- 1...Sf7
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 2.Qh6#
- 1...Se8
- 2.Qxc4#
- 2.Qh6#
- 1...Se3+
- 1.Bg7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::QAB(G),XS(d)
- S(a);N_GUARD,XP(B)::QAB(G),XS(d)
- S(a);CHECK,OGATE::P(B),XS(a)
- S(a);OGATE::QAR(G)
- S(d);SBLOCK::S(D)
- S(d);OGATE::QAB(G)
- S(d);OGATE,XS(E)::R1(F),XS(d)
- S(d);N_GUARD::QAR(G),XS(a)
- Tries
- Try
- S(E);
- Threat
- S(E)
- Refutation
- S(a);CHECK,XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(a);XP(B)::S(E)
- Refutation
- S(a);CHECK
- Try
- B(A);
- Vars
- S(a);CHECK,OGATE::P(B),XS(a)
- S(a);N_GUARD,XB(A)::QAB(G),XS(d)
- S(a);N_GUARD,XP(B)::QAB(G),XS(d)
- S(d);OGATE,XS(E)::R1(F),XS(d)
- S(a);OGATE::QAR(G)
- S(d);SBLOCK::S(D)
- S(d);OGATE::QAB(G)
- S(d);N_GUARD::QAR(G),XS(a)
- Refutation
- S(a);
- Try
- B(A);
- Vars
- S(a);CHECK,OGATE::P(B),XS(a)
- S(a);N_GUARD,XP(B)::QAB(G),XS(d)
- S(d);OGATE,XS(E)::R1(F),XS(d)
- S(a);OGATE::QAR(G)
- S(d);SBLOCK::S(D)
- S(d);OGATE::QAB(G)
- S(d);N_GUARD::QAR(G),XS(a)
- Refutation
- S(a);
- Try
- B(A);
- Vars
- S(a);CHECK,OGATE::P(B),XS(a)
- S(a);N_GUARD,XP(B)::QAB(G),XS(d)
- S(d);OGATE,XS(E)::R1(F),XS(d)
- S(a);N_GUARD,SBLOCK::B(A)
- S(a);OGATE::QAR(G)
- S(d);SBLOCK::S(D)
- S(d);OGATE::QAB(G)
- Refutation
- S(d);
- Try
- B(A);
- Vars
- S(a);CHECK,OGATE::P(B),XS(a)
- S(a);N_GUARD,XP(B)::QAB(G),XS(d)
- S(d);OGATE,XS(E)::R1(F),XS(d)
- S(a);SBLOCK::B(A)
- S(a);OGATE::QAR(G)
- S(d);SBLOCK::S(D)
- S(d);N_GUARD::QAR(G),XS(a)
- Refutation
- S(d);
- Try
- B(A);
- Vars
- S(a);CHECK,OGATE::P(B),XS(a)
- S(a);N_GUARD,XP(B)::QAB(G),XS(d)
- S(d);OGATE,XS(E)::R1(F),XS(d)
- S(a);OGATE::QAR(G)
- S(d);SBLOCK::S(D)
- S(d);OGATE::QAB(G)
- S(d);N_GUARD::QAR(G),XS(a)
- Refutation
- S(a);
- Try
- Q(G);CHECK,XS(a)
- Refutation
- S(d);XQ(G)
- Try
- Q(G);P_PINS(a)
- Vars
- S(d);OGATE,XS(E)::R1(F),XS(d)
- S(d);N_SPINS(a),SBLOCK::S(D)
- S(d);N_GUARD::QAR(G),XS(a)
- Refutation
- S(d);
- Try
- Q(G);
- Threat
- QAR2(G)
- Vars
- S(a);N_GUARD::QAB1(G)
- S(d);SBLOCK::S(D)
- Refutation
- S(a);XQ(G)
- Try
- Q(G);
- Threat
- S(D)
- Vars
- S(a);CHECK,OGATE::P(B),XS(a)
- S(a);N_GUARD::QAB(G),XS(d)
- Refutation
- P(e);XQ(G)
- Try
- Q(G);CHECK,XS(d)
- Refutation
- S(a);XQ(G)
- Try
- Q(G);
- Threat
- QAR2(G)
- Vars
- S(a);N_GUARD,XP(B)::QAB1(G)
- S(a);N_GUARD::QAB1(G)
- S(d);SBLOCK::S(D)
- Refutation
- S(a);
- Try
- Actual
- B(A);
- Vars
- S(a);CHECK,OGATE::P(B),XS(a)
- S(a);N_GUARD,XP(B)::QAB(G),XS(d)
- S(d);OGATE,XS(E)::R1(F),XS(d)
- S(a);SBLOCK::B(A)
- S(a);OGATE::QAR(G)
- S(d);SBLOCK::S(D)
- S(d);OGATE::QAB(G)
- S(d);N_GUARD::QAR(G),XS(a)
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).