MESON Chess Problem Database
Problem Display
PID: 259181 (3B4/1b3B2/6N1/5k1p/Rn2R1pP/3P4/3p4/1Qq2N1K w - - 0 1)
Pirrone, Santi
35th Place, 2. International Team (Friendship) Match, 1967-1970
#2
10 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Se3#
- 2.Sg3#
- 1...Qa3
- 2.Se3#
- 2.Sg3#
- 1...Qxf1+
- 2.Qxf1#
- 1...Qc2
- 2.Se3#
- 2.Sg3#
- 1...Qc3
- 2.Se3#
- 2.Sg3#
- 1...Qc4
- 2.Se3#
- 2.Sg3#
- 1...Qc5
- 2.Sg3#
- 1...Qc6
- 2.Se3#
- 2.Sg3#
- 1...Qc7
- 2.Se3#
- 1...Qc8
- 2.Se3#
- 2.Sg3#
- 1...Bxe4+
- 2.dxe4#
- 1...Ba6
- 2.Rf4#
- 2.Re5#
- 1...Bc8
- 2.Rf4#
- 2.Re5#
- 1...Sd5
- 2.Re5#
- 1...Sc6
- 2.Rf4#
- 1...d1S
- 2.Sg3#
- 1...d1B
- 2.Sg3#
- 1...Qb2
- Tries
- 1.Kg1?
- threat
- 2.Rf4#
- 2.Re5#
- 1...Qxf1+
- 2.Qxf1#
- 1...Bxe4
- 2.dxe4#
- 1...d1Q
- 2.Re5#
- 1...d1S
- 2.Sg3#
- 2.Re5#
- 1...d1B
- 2.Sg3#
- 2.Re5#
- 1...d1R
- 2.Re5#
- 1...Qb2
- 2.Se3#
- 2.Sg3#
- 2.Rf4#
- 1...Qe1
- 2.Rf4#
- 1...Qc3
- 2.Se3#
- 2.Sg3#
- 2.Rf4#
- 1...Qc4
- 2.Se3#
- 2.Sg3#
- 2.Re5#
- 1...Qc7
- 2.Se3#
- 1...Sd5
- 2.Re5#
- 1...Sc6
- 2.Rf4#
- 1...g3
- 2.Rf4#
- 1...Qc5+!
- threat
- 1.Kg2?
- threat
- 2.Se3#
- 2.Sg3#
- 1...Qxf1+
- 2.Qxf1#
- 1...Bxe4+
- 2.dxe4#
- 1...d1Q
- 2.Sg3#
- 1...d1S
- 2.Sg3#
- 1...d1B
- 2.Sg3#
- 1...d1R
- 2.Sg3#
- 1...Qc5
- 2.Sg3#
- 1...Qc7
- 2.Se3#
- 1...Sc2
- 2.Sg3#
- 1...Sd5
- 2.Sg3#
- 2.Re5#
- 1...g3
- 2.Se3#
- 2.Sxg3#
- 1...Qe1!
- threat
- 1.Kh2?
- threat
- 2.Se3#
- 2.Sg3#
- 2.Rf4#
- 2.Re5#
- 1...g3+
- 2.Sxg3#
- 1...Qxf1
- 2.Re5#
- 2.Qxf1#
- 1...Bxe4
- 2.Se3#
- 2.Sg3#
- 2.dxe4#
- 1...d1Q
- 2.Sg3#
- 2.Re5#
- 1...d1S
- 2.Sg3#
- 2.Re5#
- 1...d1B
- 2.Sg3#
- 2.Re5#
- 1...d1R
- 2.Sg3#
- 2.Re5#
- 1...Qb2
- 2.Se3#
- 2.Sg3#
- 2.Rf4#
- 1...Qe1
- 2.Rf4#
- 1...Qc3
- 2.Se3#
- 2.Sg3#
- 2.Rf4#
- 1...Qc4
- 2.Se3#
- 2.Sg3#
- 2.Re5#
- 1...Qc5
- 2.Sg3#
- 2.Rf4#
- 1...Sc2
- 2.Sg3#
- 2.Rf4#
- 2.Re5#
- 1...Sd5
- 2.Sg3#
- 2.Re5#
- 1...Sc6
- 2.Se3#
- 2.Sg3#
- 2.Rf4#
- 1...Qc7+!
- threat
- 1.Sf8?
- threat
- 2.Be6#
- 2.Bg6#
- 1...Qxf1+
- 2.Qxf1#
- 1...Qc4
- 2.Se3#
- 2.Sg3#
- 2.Bg6#
- 1...Qc6
- 2.Se3#
- 2.Sg3#
- 1...Qc8
- 2.Se3#
- 2.Sg3#
- 2.Bg6#
- 1...Bd5
- 2.Bg6#
- 1...Bc8
- 2.Bg6#
- 1...Bxe4+!
- threat
- 1.Sh8?
- threat
- 2.Be6#
- 2.Bg6#
- 1...Qxf1+
- 2.Qxf1#
- 1...Qc4
- 2.Se3#
- 2.Sg3#
- 2.Bg6#
- 1...Qc6
- 2.Se3#
- 2.Sg3#
- 1...Qc8
- 2.Se3#
- 2.Sg3#
- 2.Bg6#
- 1...Bd5
- 2.Bg6#
- 1...Bc8
- 2.Bg6#
- 1...Bxe4+!
- threat
- 1.Ra5+?
- 1...Qc5
- 2.Se3#
- 2.Sg3#
- 1...Sd5
- 2.Rf4#
- 2.Re5#
- 1...Bd5!
- 1...Qc5
- 1.Kg1?
- Keys
- 1.Bg5!
- threat
- 2.Se7#
- 1...Qxf1+
- 2.Qxf1#
- 1...Bxe4+
- 2.dxe4#
- 1...Qc5
- 2.Sg3#
- 1...Qc7
- 2.Se3#
- 1...Sd5
- 2.Re5#
- 1...Sc6
- 2.Rf4#
- threat
- 1.Bg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- Q(a);CHECK,OGATE,XS(B)::QAR(A),XQ(a)
- Q(a);N_PINS(B)::S(B)
- B(g);CHECK,OGATE,XR(F)::P(D),XB(g)
- S(c);N_PINR(F)::R1(F)
- P(b);N_PINS(B)::S(B)
- Tries
- Try
- K(C);N_SPINR(F),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATE,XS(B)::QAR(A),XQ(a)
- B(g);OGATE,XR(F)::P(D),XB(g)
- P(b);::R1(F)
- Q(a);::R1(F)
- Q(a);N_PINS(B)::S(B)
- S(c);::R1(F)
- P(d);::R1(F)
- Refutation
- Q(a);CHECK,N_PINS(B)
- Try
- K(C);N_SPINS(B),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATE,XS(B)::QAR(A),XQ(a)
- B(g);CHECK,OGATE,XR(F)::P(D),XB(g)
- P(b);::S(B)
- Q(a);::S(B)
- S(c);::S(B)
- Refutation
- Q(a);
- Try
- K(C);N_SPINR(F),N_SPINS(B),P-FLIGHT
- Threat
- DUALS(4)
- Vars
- P(d);CHECK::S(B),XP(d)
- Q(a);::R1(F)
- Refutation
- Q(a);CHECK
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATE,XS(B)::QAR(A),XQ(a)
- B(g);::B(I)
- B(g);N_PINR(F)::B(I)
- Refutation
- B(g);CHECK,XR(F)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATE,XS(B)::QAR(A),XQ(a)
- B(g);::B(I)
- B(g);N_PINR(F)::B(I)
- Refutation
- B(g);CHECK,XR(F)
- Try
- R(E);CHECK
- Refutation
- B(g);P_SPINB(g)
- Try
- Actual
- B(J);
- Threat
- S(H)
- Vars
- Q(a);CHECK,OGATE,XS(B)::QAR(A),XQ(a)
- B(g);CHECK,OGATE,XR(F)::P(D),XB(g)
- Q(a);N_PINS(B)::S(B)
- S(c);N_PINR(F)::R1(F)
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).