MESON Chess Problem Database
Problem Display
PID: 90080 (3R2bK/p4N1n/3P2B1/1P1k1P2/6p1/1PQP1p2/2P1NB2/q1b1Rn2 w - - 0 1)
Savournin, Jacques
Die Schwalbe, 1999
#2
14 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxc3+
- 2.Sxc3#
- 1...Qb1
- 2.Qd4#
- 2.Qe5#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Qa2
- 2.Qd4#
- 2.Qe5#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Qa3
- 2.Qd4#
- 2.Qe5#
- 2.Qc4#
- 2.Qc6#
- 1...Qa4
- 2.Qe5#
- 2.Qc5#
- 2.Qc6#
- 1...Qa5
- 2.Qd4#
- 2.Qe5#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Qa6
- 2.Qd4#
- 2.Qe5#
- 2.Qc4#
- 2.Qc5#
- 1...Bb2
- 2.Sf4#
- 1...Ba3
- 2.Sf4#
- 1...Bf4
- 2.Sxf4#
- 1...Bxf7
- 2.Bxf7#
- 1...Sd2
- 2.Sf4#
- 1...Se3
- 2.Sf4#
- 1...Sf6
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Qxc3+
- Tries
- 1.Kxg8?
- threat
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Qxc3
- 2.Sxc3#
- 1...Qa3
- 2.Qd4#
- 2.Qe5#
- 2.Qc4#
- 2.Qc6#
- 1...Qa4
- 2.Qe5#
- 2.Qc5#
- 2.Qc6#
- 1...Qa6
- 2.Qd4#
- 2.Qe5#
- 2.Qc4#
- 2.Qc5#
- 1...Ba3
- 2.Sf4#
- 2.Qc4#
- 2.Qc6#
- 1...Be3
- 2.Qc4#
- 2.Qc6#
- 1...Sd2
- 2.Sf4#
- 2.Qc5#
- 2.Qc6#
- 1...Se3
- 2.Sf4#
- 2.Qc6#
- 1...Sf6+!
- threat
- 1.Sd4?
- threat
- 2.Re5#
- 2.Qc4#
- 2.Qc6#
- 1...Qxc3
- 2.Re5#
- 1...Bxf7
- 2.Bxf7#
- 2.Qc4#
- 2.Qc6#
- 1...Be3
- 2.Qc4#
- 1...Qa4
- 2.Re5#
- 2.Qc6#
- 1...Qa6
- 2.Re5#
- 2.Qc4#
- 1...Bf4
- 2.Qc4#
- 2.Qc6#
- 1...Sd2
- 2.Re5#
- 2.Qc6#
- 1...Se3!
- threat
- 1.Se5?
- threat
- 2.Qc5#
- 1...Qxc3
- 2.Sxc3#
- 1...Se3
- 2.Sf4#
- 1...Qa3
- 2.Qd4#
- 1...Ba3
- 2.Sf4#
- 1...Be3!
- threat
- 1.Bd4?
- threat
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...fxe2
- 2.Qc4#
- 2.Qc5#
- 1...Qa3
- 2.Qc4#
- 2.Qc6#
- 1...Qa4
- 2.Qc5#
- 2.Qc6#
- 1...Qa6
- 2.Qc4#
- 2.Qc5#
- 1...Ba3
- 2.Sf4#
- 2.Qc4#
- 2.Qc6#
- 1...Sd2
- 2.Sf4#
- 2.Qc5#
- 2.Qc6#
- 1...Se3
- 2.Sf4#
- 2.Qc5#
- 2.Qc6#
- 1...Qxc3!
- threat
- 1.Rxc1?
- threat
- 2.Sf4#
- 1...Qxc3+
- 2.Sxc3#
- 1...Qxc1
- 2.Qd4#
- 2.Qe5#
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Qa4
- 2.Qe5#
- 2.Qc5#
- 2.Qc6#
- 1...fxe2!
- threat
- 1.Re8?
- threat
- 2.Re5#
- 1...Qxc3+
- 2.Sxc3#
- 1...Bf4
- 2.Sxf4#
- 1...Bxf7!
- threat
- 1.Qxa1?
- threat
- 2.Sc3#
- 2.Qd4#
- 2.Qe5#
- 2.c4#
- 1...Bxf7
- 2.Sc3#
- 2.Bxf7#
- 2.Qd4#
- 2.c4#
- 1...fxe2
- 2.Qd4#
- 2.Qe5#
- 2.c4#
- 1...Be3
- 2.Qe5#
- 1...Se3
- 2.Qd4#
- 2.Qe5#
- 1...Bd2
- 2.Qd4#
- 2.Qe5#
- 2.c4#
- 1...Bf4
- 2.Sc3#
- 2.Sxf4#
- 2.Qd4#
- 2.c4#
- 1...Sd2
- 2.Sc3#
- 2.Sf4#
- 2.Qd4#
- 2.Qe5#
- 1...Bb2+!
- threat
- 1.d4?
- threat
- 2.Qc6#
- 1...Ke4
- 2.Qc6#
- 1...Qxc3
- 2.Sxc3#
- 1...Qa6!
- threat
- 1.Kxg8?
- Keys
- 1.f6!
- threat
- 2.Qc4#
- 1...Ke6
- 2.Sf4#
- 1...Qxc3
- 2.Sxc3#
- 1...Bxf7
- 2.Bxf7#
- 1...Qa4
- 2.Qe5#
- 1...Sd2
- 2.Sf4#
- 1...Se3
- 2.Sf4#
- threat
- 1.f6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- Q(a);CHECK,XQ(F)::S(C),XQ(a)
- B(b);N_GUARD::S(C)
- B(b);N_GUARD::S(C),XB(b)
- B(i);OGATE,XS(L)::B(K),XB(i)
- S(c);S_CUTB(b)::S(C)
- Tries
- Try
- K(N);N_SPINQ(F),P-FLIGHT,XB(i)
- Threat
- DUALS(3)
- Vars
- Q(a);XQ(F)::S(C),XQ(a)
- Refutation
- S(h);CHECK
- Try
- S(C);N_SPINQ(F)
- Threat
- DUALS(3)
- Vars
- Q(a);P_PINS(C),XQ(F)::R1(A)
- B(b);::QAB1(F)
- Refutation
- S(c);
- Try
- S(L);N_SPINQ(F)
- Threat
- QAR1(F)
- Vars
- Q(a);P_PINS(L),XQ(F)::S(C),XQ(a)
- S(c);S_CUTB(b)::S(C)
- Q(a);N_GUARD::QAR1(F)
- B(b);N_GUARD::S(C)
- Refutation
- B(b);
- Try
- B(D);N_SPINQ(F)
- Threat
- DUALS(3)
- Refutation
- Q(a);P_PINB(D),XQ(F)
- Try
- R(A);XB(b)
- Threat
- S(C)
- Vars
- Q(a);CHECK,XQ(F)::S(C),XQ(a)
- Refutation
- P(d);XS(C)
- Try
- R(M);
- Threat
- R1(M)
- Vars
- Q(a);CHECK,XQ(F)::S(C),XQ(a)
- B(b);N_GUARD::S(C),XB(b)
- Refutation
- B(i);XS(L)
- Try
- Q(F);N_SPINQ(F),XQ(a)
- Threat
- DUALS(4)
- Vars
- B(b);::QAR1(F)
- Refutation
- B(b);CHECK
- Try
- P(G);N_SPINQ(F)
- Threat
- QAB1(F)
- Vars
- K(f);S_FLIGHT::QAB(F)
- Q(a);P_PINP(G),XQ(F)::S(C),XQ(a)
- Refutation
- Q(a);
- Try
- Actual
- P(I);N_SPINQ(F)
- Threat
- QAB1(F)
- Vars
- K(f);S_FLIGHT::R(A)+S(C),DCHECK
- Q(a);P_PINP(I),XQ(F)::S(C),XQ(a)
- B(i);OGATE,XS(L)::B(K),XB(i)
- Q(a);N_GUARD::QAR1(F)
- S(c);S_CUTB(b)::S(C)
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).