MESON Chess Problem Database
Problem Display
PID: 66129 (1R6/Kb6/3P4/pNNp3Q/p1k5/Bn3p2/2P5/1R6 w - - 0 1)
Shankar Ram, Narayanan
1st Prize, Salazar JT (Problemas), 1986
#2
9 + 7
| 3297 | FIDE Album (1986-1988) | 1995 |
SOLUTION
- SOUND
- Sets
- 1...f2
- 2.Qe2#
- 1...f2
- Tries
- 1.Sxb3?
- threat
- 2.Sd2#
- 2.Sxa5#
- 1...Kxb5
- 2.Qxd5#
- 1...axb3!
- threat
- 1.Sd3?
- 1...Kxb5
- 2.Qxd5#
- 1...Ba6
- 2.Sb2#
- 2.Se5#
- 1...Bc6
- 2.Sb2#
- 2.Se5#
- 1...Ba8
- 2.Sb2#
- 2.Se5#
- 1...Bc8
- 2.Sb2#
- 2.Se5#
- 1...Sa1
- 2.Se5#
- 1...Sc1
- 2.Se5#
- 1...Sd2
- 2.Se5#
- 1...Sd4
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...d4
- 2.Sb2#
- 1...f2!
- 1...Kxb5
- 1.Sxa4?
- 1...Ba6
- 2.Sb2#
- 1...Bc6
- 2.Sb2#
- 1...Ba8
- 2.Sb2#
- 1...Bc8
- 2.Sb2#
- 1...Sa1
- 2.Sb6#
- 1...Sc1
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sd4
- 2.Sb6#
- 1...Sc5
- 2.Sb6#
- 1...f2
- 2.Qe2#
- 1...d4
- 2.Sb2#
- 2.Sb6#
- 1...Kxb5!
- 1...Ba6
- 1.Sxb7?
- 1...Kxb5
- 2.Qxd5#
- 1...Sa1
- 2.Sxa5#
- 2.Rc8#
- 1...Sc1
- 2.Sxa5#
- 2.Rc8#
- 1...Sd2
- 2.Sxa5#
- 2.Rc8#
- 1...Sd4
- 2.Sxa5#
- 1...Sc5
- 2.Sxa5#
- 1...f2
- 2.Qe2#
- 1...d4!
- 1...Kxb5
- 1.Qg4+?
- 1...Kxb5
- 2.Qxa4#
- 1...Sd4
- 2.Qxd4#
- 1...d4!
- 1...Kxb5
- 1.Qh4+?
- 1...Kxb5
- 2.Qxa4#
- 1...Sd4
- 2.Qxd4#
- 1...d4!
- 1...Kxb5
- 1.cxb3+?
- 1...Kxb5
- 2.Qe8#
- 1...axb3!
- 1...Kxb5
- 1.Sxb3?
- Keys
- 1.Sd7!
- 1...Kxb5
- 2.Qxd5#
- 1...Ba6
- 2.Se5#
- 1...Bc6
- 2.Se5#
- 1...Ba8
- 2.Se5#
- 1...Bc8
- 2.Se5#
- 1...Sa1
- 2.Se5#
- 2.Sb6#
- 1...Sc1
- 2.Se5#
- 2.Sb6#
- 1...Sd2
- 2.Se5#
- 2.Sb6#
- 1...Sd4
- 2.Se5#
- 2.Sb6#
- 1...Sc5
- 2.Se5#
- 2.Sb6#
- 1...f2
- 2.Qe2#
- 1...d4
- 2.Sb6#
- 1...Kxb5
- 1.Sd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- P(b);OGATE::QAB(F)
- Tries
- Try
- S(E);XS(a)
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINB(g),P_SPINP(f),S_FLIGHT,XS(D)::QAR2(F),XP(f)
- Refutation
- P(c);XS(E)
- Try
- S(E);
- Vars
- K(d);P_SPINB(g),P_SPINP(f),P_SPINS(a),S_FLIGHT,XS(D)::QAR2(F),XP(f)
- S(a);::S(E)
- P(f);::S(E)
- Refutation
- P(b);
- Try
- S(E);XP(c)
- Vars
- B(g);::S(E)
- S(a);::S(E)
- P(b);OGATE::QAB(F)
- Refutation
- K(d);P_SPINB(g),P_SPINP(f),P_SPINS(a),S_FLIGHT,XS(D)
- Try
- S(E);XB(g)
- Vars
- K(d);P_SPINP(f),P_SPINS(a),S_FLIGHT,XS(D)::QAR2(F),XP(f)
- S(a);N_GUARD::S(E),XP(e)
- P(b);OGATE::QAB(F)
- Refutation
- P(f);
- Try
- Q(F);CHECK
- Vars
- K(d);OGATE,P_SPINB(g),P_SPINS(a),S_FLIGHT,XS(D)::QAB1(F),XP(c)
- S(a);N_GUARD,P_SPINS(a)::QAR1(F),XS(a)
- Refutation
- P(f);P_SPINP(f)
- Try
- Q(F);CHECK
- Vars
- K(d);OGATE,P_SPINB(g),P_SPINS(a),S_FLIGHT,XS(D)::QAB1(F),XP(c)
- S(a);N_GUARD,P_SPINS(a)::QAR1(F),XS(a)
- Refutation
- P(f);P_SPINP(f)
- Try
- P(B);CHECK,XS(a)
- Vars
- K(d);P_SPINB(g),S_FLIGHT,XS(D)::QAB(F)
- Refutation
- P(c);XP(B)
- Try
- Actual
- S(E);
- Vars
- K(d);P_SPINB(g),P_SPINP(f),P_SPINS(a),S_FLIGHT,XS(D)::QAR2(F),XP(f)
- B(g);::S(E)
- P(b);OGATE::QAB(F)
- P(f);::S(E)
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