MESON Chess Problem Database
Problem Display
PID: 29260 (bKR2B2/1n6/8/3pN1Q1/1P1k4/2p5/Br1pR1nb/2N4q w - - 0 1)
Stocchi, Ottavio
L'Italia Scacchistica, 1940
#2
9 + 10
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Sb3#
- 1...Rc2
- 2.Sb3#
- 1...Rb3
- 2.Sxb3#
- 1...Bg1
- 2.Sf3#
- 2.Sc6#
- 1...Bxe5+
- 2.Qxe5#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Sc6#
- 1...Sh4
- 2.Qe3#
- 1...Sa5
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- 1...Sd6
- 2.Sf3#
- 1...Sd8
- 2.Bc5#
- 1...c2
- 2.Qxd2#
- 1...Rxa2
- Tries
- 1.Re4+?
- 1...dxe4
- 2.Se2#
- 1...Kxe4!
- 1...dxe4
- 1.Qxd2+?
- 1...Rxd2
- 2.Sb3#
- 1...cxd2!
- 1...Rxd2
- 1.Qf4+?
- 1...Sxf4
- 2.Sc6#
- 1...Bxf4!
- 1...Sxf4
- 1.Qg3?
- threat
- 2.Sf3#
- 2.Sc6#
- 2.Qxc3#
- 2.Qd3#
- 1...Qxc1
- 2.Sc6#
- 2.Qd3#
- 1...Rxa2
- 2.Sb3#
- 2.Sf3#
- 2.Qxc3#
- 2.Qd3#
- 1...dxc1Q
- 2.Sc6#
- 2.Qd3#
- 1...dxc1S
- 2.Sc6#
- 2.Qxc3#
- 1...dxc1B
- 2.Sc6#
- 2.Qxc3#
- 2.Qd3#
- 1...dxc1R
- 2.Sc6#
- 2.Qd3#
- 1...Se3
- 2.Qxe3#
- 1...d1Q
- 2.Sf3#
- 2.Sc6#
- 2.Qxc3#
- 1...d1S
- 2.Sf3#
- 2.Sc6#
- 2.Qd3#
- 1...d1R
- 2.Sf3#
- 2.Sc6#
- 2.Qxc3#
- 1...Qf1
- 2.Sc6#
- 2.Qxc3#
- 2.Qd3#
- 1...Rc2
- 2.Sb3#
- 2.Sf3#
- 2.Sc6#
- 2.Qd3#
- 1...Rb3
- 2.Sxb3#
- 2.Sf3#
- 2.Qd3#
- 1...Se1
- 2.Sc6#
- 2.Qf2#
- 2.Qxc3#
- 2.Qe3#
- 1...Sf4
- 2.Sc6#
- 2.Qf2#
- 2.Qxc3#
- 2.Qe3#
- 1...Sh4
- 2.Sc6#
- 2.Qf2#
- 2.Qxc3#
- 2.Qd3#
- 2.Qe3#
- 1...Sa5
- 2.Sf3#
- 2.Bc5#
- 2.Qxc3#
- 2.Qd3#
- 1...Sc5
- 2.Sf3#
- 2.Bxc5#
- 1...Sd6
- 2.Sf3#
- 2.Qxc3#
- 2.Qd3#
- 1...Sd8
- 2.Sf3#
- 2.Bc5#
- 2.Qxc3#
- 2.Qd3#
- 1...c2
- 2.Sf3#
- 2.Sc6#
- 2.Qc3#
- 2.Qd3#
- 1...Bxg3!
- threat
- 1.Qg4+?
- 1...Sf4
- 2.Sc6#
- 1...Bf4!
- 1...Sf4
- 1.Re4+?
- Keys
- 1.Rd8!
- threat
- 2.Rxd5#
- 1...Bxe5+
- 2.Qxe5#
- 1...Rxa2
- 2.Sb3#
- 1...Sxd8
- 2.Bc5#
- 1...Se3
- 2.Qxe3#
- 1...c2
- 2.Qxd2#
- 1...Rb3
- 2.Sxb3#
- 1...Se1
- 2.Qe3#
- 1...Sf4
- 2.Sc6#
- 1...Sh4
- 2.Qe3#
- 1...Sa5
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- 1...Sd6
- 2.Sf3#
- threat
- 1.Rd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(b);N_GUARD,XB(B)::S(A)
- R(b);N_GUARD::S(A)
- R(b);N_GUARD::S(A),XR(b)
- B(e);CHECK,OGATE,XS(E)::QAB1(F),XB(e)
- S(d);N_GUARD::QAB1(F)
- S(d);N_GUARD::QAB1(F),XS(d)
- S(d);N_PINS(E)::S(E)
- S(i);N_GUARD,P_PINP(D)::B(I)
- S(i);N_GUARD,P_PINP(D)::B(I),XS(i)
- S(i);N_PINS(E),P_PINP(D)::S(E)
- P(f);N_GUARD,S_CUTR(b)::QAR2(F),XP(c)
- Tries
- Try
- R(C);CHECK
- Vars
- P(h);SBLOCK,XR(C)::S(A)
- Refutation
- K(g);P-FLIGHT,XR(C)
- Try
- Q(F);CHECK,XP(c)
- Vars
- R(b);XQ(F)::S(A)
- Refutation
- P(f);XQ(F)
- Try
- Q(F);CHECK,N_SPINS(E)
- Vars
- S(d);XQ(F)::S(E)
- Refutation
- B(e);P_PINS(E),XQ(F)
- Try
- Q(F);N_SPINS(E)
- Threat
- DUALS(4)
- Vars
- S(d);N_GUARD::QAB1(F),XS(d)
- Refutation
- B(e);P_PINS(E),XQ(F)
- Try
- Q(F);CHECK
- Vars
- S(d);N_PINS(E),P_SPINS(d)::S(E)
- Refutation
- B(e);P_SPINB(e)
- Try
- Actual
- R(H);P_PINP(h)
- Threat
- R1(H),XP(h)
- Vars
- B(e);CHECK,OGATE,XS(E)::QAB1(F),XB(e)
- R(b);N_GUARD,XB(B)::S(A)
- S(i);N_GUARD,N_SPINP(h),P_PINP(D),XR(H)::B(I)
- S(d);N_GUARD::QAB1(F),XS(d)
- P(f);N_GUARD,S_CUTR(b)::QAR2(F),XP(c)
- R(b);N_GUARD::S(A),XR(b)
- S(d);N_GUARD::QAB1(F)
- S(d);N_PINS(E)::S(E)
- S(i);N_GUARD,P_PINP(D)::B(I)
- S(i);N_GUARD,P_PINP(D)::B(I),XS(i)
- S(i);N_PINS(E),N_SPINP(h),P_PINP(D)::S(E)
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).