MESON Chess Problem Database
Problem Display
PID: 113102 (4R3/p7/pn2Q3/5p2/P2B4/1p1k1N2/8/bNnK3B w - - 0 1)
Savournin, Jacques
Comm., US Problem Bulletin, 1965
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxd4
- 2.Se1#
- 1...Sa2
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sxa4
- 2.Qxa6#
- 1...Sc4
- 2.Qxf5#
- 1...Sd5
- 2.Qxa6#
- 1...Sd7
- 2.Qxa6#
- 1...Sa8
- 2.Qxa6#
- 1...Sc8
- 2.Qxa6#
- 1...Bxd4
- Tries
- 1.Sbd2?
- threat
- 2.Qxf5#
- 2.Qe3#
- 1...Sc4
- 2.Qxc4#
- 2.Qxf5#
- 1...Sd5
- 2.Qxf5#
- 2.Qxa6#
- 1...f4
- 2.Qf5#
- 2.Qe4#
- 2.Qg6#
- 1...Bxd4!
- threat
- 1.Sa3?
- threat
- 2.Qxf5#
- 2.Qe3#
- 1...Sc4
- 2.Qxc4#
- 2.Qxf5#
- 1...Sd5
- 2.Qxf5#
- 2.Qxa6#
- 1...f4
- 2.Qf5#
- 2.Qe4#
- 2.Qg6#
- 1...Bxd4!
- threat
- 1.Sfd2?
- threat
- 2.Qe3#
- 1...Kxd4
- 2.Qe3#
- 1...Bxd4
- 2.Qxf5#
- 1...Sc4
- 2.Qxc4#
- 1...f4
- 2.Qe4#
- 1...Sd5!
- threat
- 1.Bxa1?
- threat
- 2.Se1#
- 1...Sd5
- 2.Qxd5#
- 2.Qxa6#
- 1...b2!
- threat
- 1.Bg1?
- threat
- 2.Se1#
- 1...Sd5
- 2.Qxa6#
- 1...Bc3!
- threat
- 1.Bb2?
- threat
- 2.Se1#
- 1...Sd5
- 2.Qxd5#
- 2.Qxa6#
- 1...Bxb2!
- threat
- 1.Bf2?
- threat
- 2.Se1#
- 1...Sd5
- 2.Qxa6#
- 1...Bc3!
- threat
- 1.Bc3?
- threat
- 2.Se1#
- 1...Sd5
- 2.Qxd5#
- 2.Qxa6#
- 1...Bxc3!
- threat
- 1.Bc5?
- threat
- 2.Se1#
- 1...Sd5
- 2.Qxa6#
- 1...Bc3!
- threat
- 1.Rc8?
- threat
- 2.Qxf5#
- 2.Qe3#
- 1...Bxd4
- 2.Se1#
- 1...Sc4
- 2.Qxf5#
- 1...Sd5
- 2.Qxf5#
- 1...f4
- 2.Qf5#
- 2.Qg6#
- 1...Sxc8!
- threat
- 1.Qxb3+?
- 1...Bc3
- 2.Re3#
- 2.Qxc3#
- 1...Sxb3!
- 1...Bc3
- 1.Qd5?
- threat
- 2.Se1#
- 2.Se5#
- 2.Re3#
- 1...Bxd4
- 2.Se1#
- 2.Qxd4#
- 1...Bc3
- 2.Se5#
- 2.Re3#
- 1...Sc4
- 2.Se1#
- 2.Bxa1#
- 2.Bb2#
- 2.Bc3#
- 2.Qxf5#
- 1...Sd7
- 2.Se1#
- 2.Bxa1#
- 2.Bb2#
- 2.Bc3#
- 2.Re3#
- 1...f4
- 2.Se1#
- 2.Se5#
- 1...Sxd5!
- threat
- 1.Qxb6?
- threat
- 2.Se5#
- 2.Qxa6#
- 1...Kc4
- 2.Se5#
- 1...Bxd4
- 2.Qxd4#
- 2.Qxa6#
- 1...a5
- 2.Se5#
- 2.Qb5#
- 2.Qa6#
- 1...axb6!
- threat
- 1.Sbd2?
- Keys
- 1.Qd6!
- threat
- 2.Se5#
- 1...Kc4
- 2.Se5#
- 1...Bxd4
- 2.Qxd4#
- 1...Sc4
- 2.Se1#
- 1...Sd5
- 2.Qxa6#
- 1...Sd7
- 2.Qxa6#
- threat
- 1.Qd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(a);SBLOCK,XB(F)::S(D)
- S(b);N_GUARD::QAB1(G)
- S(b);N_GUARD::QAB1(G),XS(b)
- S(g);OGATE,XP(E)::QAB(G),XP(f)
- S(g);SBLOCK::QAB(G),XP(e)
- S(g);OGATE::QAB(G),XP(f)
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Refutation
- B(a);XB(F)
- Try
- S(A);
- Threat
- DUALS(2)
- Refutation
- B(a);XB(F)
- Try
- S(D);
- Threat
- QAR1(G)
- Vars
- K(d);P-FLIGHT,XB(F)::QAB1(G)
- B(a);SBLOCK,XB(F)::QAB(G),XP(e)
- S(g);N_GUARD::QAB1(G),XS(g)
- P(e);N_GUARD::QAB1(G)
- Refutation
- S(g);
- Try
- B(F);XB(a)
- Threat
- S(D)
- Refutation
- P(c);
- Try
- B(F);
- Threat
- S(D)
- Vars
- S(g);OGATE::QAB(G),XP(f)
- Refutation
- B(a);
- Try
- B(F);
- Threat
- S(D)
- Refutation
- B(a);XB(F)
- Try
- B(F);
- Threat
- S(D)
- Vars
- S(g);OGATE::QAB(G),XP(f)
- Refutation
- B(a);
- Try
- B(F);
- Threat
- S(D)
- Refutation
- B(a);XB(F)
- Try
- B(F);
- Threat
- S(D)
- Vars
- S(g);OGATE::QAB(G),XP(f)
- Refutation
- B(a);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- B(a);SBLOCK,XB(F)::S(D)
- S(g);::QAB(G),XP(e)
- Refutation
- S(g);XR(H)
- Try
- Q(G);CHECK,XP(c)
- Refutation
- S(b);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(3)
- Refutation
- S(g);XQ(G)
- Try
- Q(G);XS(g)
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::S(D)
- Refutation
- P(h);XQ(G)
- Try
- Actual
- Q(G);
- Threat
- S(D)
- Vars
- K(d);S_FLIGHT::S(D)
- B(a);OGATE,P_SPINB(a),XB(F)::QAR1(G),XB(a)
- S(g);SBLOCK::S(D)
- S(g);OGATE::QAB(G),XP(f)
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