MESON Chess Problem Database
Problem Display
PID: 64152 (1B6/8/BK5R/P2k4/Rn4n1/b2ppP1Q/p1N2r1r/8 w - - 0 1)
Stocchi, Ottavio
3rd Prize, Skakbladet, 1953
#2
9 + 9
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Qxf3#
- 1...Sxc2
- 2.Bb7#
- 1...Sxa6
- 2.Rd4#
- 1...Sc6
- 2.Bc4#
- 1...Se5
- 2.Rd6#
- 2.Qe6#
- 1...Sf6
- 2.Qf5#
- 1...Sxh6
- 2.Qd7#
- 1...Rxf3
- Tries
- 1.Sxe3+?
- 1...Sxe3
- 2.Qd7#
- 1...Kd4!
- 1...Sxe3
- 1.Bb7+?
- 1...Sc6
- 2.Bxc6#
- 2.Rd4#
- 1...Kc4!
- 1...Sc6
- 1.Bxh2?
- threat
- 2.Rd6#
- 1...Rxf3
- 2.Qxf3#
- 1...Sxc2
- 2.Bb7#
- 1...Sxa6
- 2.Rd4#
- 1...Sxh2
- 2.Qf5#
- 2.Qe6#
- 2.Qh5#
- 1...Sxh6
- 2.Qd7#
- 1...Sc6
- 2.Bc4#
- 1...Se5
- 2.Qe6#
- 1...Sf6
- 2.Qf5#
- 1...Rxh2!
- threat
- 1.Bg3?
- threat
- 2.Rd6#
- 1...Sxc2
- 2.Bb7#
- 1...Sxa6
- 2.Rd4#
- 1...Sxh6
- 2.Qd7#
- 1...Sc6
- 2.Bc4#
- 1...Se5
- 2.Qe6#
- 1...Sf6
- 2.Qf5#
- 1...Rxf3!
- threat
- 1.Rh5+?
- 1...Se5
- 2.Rxe5#
- 2.Qd7#
- 1...Ke6!
- 1...Se5
- 1.Qxg4?
- threat
- 2.Sxe3#
- 2.Bc4#
- 2.Qf5#
- 2.Qe6#
- 2.Qd7#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 2.Qg5#
- 2.Qg8#
- 1...Rxc2
- 2.Qd7#
- 2.Qe4#
- 1...Rxf3
- 2.Bc4#
- 2.Qxf3#
- 2.Qe6#
- 2.Qc4#
- 2.Qd4#
- 1...Sxc2
- 2.Bc4#
- 2.Bb7#
- 2.Qf5#
- 2.Qe6#
- 2.Qc4#
- 2.Qe4#
- 2.Qg5#
- 2.Qg8#
- 1...Sxa6
- 2.Sxe3#
- 2.Rd4#
- 2.Qf5#
- 2.Qe6#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 2.Qg5#
- 2.Qg8#
- 1...dxc2
- 2.Bc4#
- 2.Qd7#
- 2.Qc4#
- 2.Qe4#
- 1...a1Q
- 2.Sxe3#
- 2.Bc4#
- 2.Qe6#
- 2.Qd7#
- 2.Qc4#
- 2.Qe4#
- 2.Qg8#
- 1...a1B
- 2.Sxe3#
- 2.Bc4#
- 2.Qe6#
- 2.Qd7#
- 2.Qc4#
- 2.Qe4#
- 2.Qg8#
- 1...Re2
- 2.Bc4#
- 2.Qf5#
- 2.Qe6#
- 2.Qd7#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 2.Qg5#
- 2.Qg8#
- 1...Rfg2
- 2.Sxe3#
- 2.Bc4#
- 2.Qf5#
- 2.Qe6#
- 2.Qd7#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...Rhg2
- 2.Sxe3#
- 2.Bc4#
- 2.Rh5#
- 2.Qf5#
- 2.Qe6#
- 2.Qd7#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...Rh4
- 2.Sxe3#
- 2.Bc4#
- 2.Qf5#
- 2.Qe6#
- 2.Qd7#
- 2.Qg5#
- 2.Qg8#
- 1...Rh5
- 2.Sxe3#
- 2.Bc4#
- 2.Rxh5#
- 2.Qxh5#
- 2.Qe6#
- 2.Qd7#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 2.Qg8#
- 1...Bc1
- 2.Sxb4#
- 2.Bc4#
- 2.Qf5#
- 2.Qe6#
- 2.Qd7#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 2.Qg5#
- 2.Qg8#
- 1...Bb2
- 2.Sxe3#
- 2.Sxb4#
- 2.Bc4#
- 2.Qe6#
- 2.Qd7#
- 2.Qc4#
- 2.Qe4#
- 2.Qg8#
- 1...Sc6
- 2.Sxe3#
- 2.Bc4#
- 2.Qe6#
- 2.Qc4#
- 2.Qe4#
- 2.Qg8#
- 1...e2
- 2.Se3#
- 2.Bc4#
- 2.Qf5#
- 2.Qe6#
- 2.Qd7#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 2.Qg5#
- 2.Qg8#
- 1...Rxh6+!
- threat
- 1.Qg3?
- threat
- 2.Rd6#
- 2.Qd6#
- 1...Rxf3
- 2.Qxf3#
- 1...Sxc2
- 2.Bb7#
- 1...Sxa6
- 2.Rd4#
- 1...Sxh6
- 2.Qe5#
- 2.Qd6#
- 1...Sf6
- 2.Qe5#
- 2.Qd6#
- 1...Sc6
- 2.Bc4#
- 1...Se5
- 2.Rd6#
- 2.Qxe5#
- 1...Rxh6+!
- threat
- 1.Qh5+?
- 1...Se5
- 2.Rd6#
- 2.Qxe5#
- 1...Rxh5!
- 1...Se5
- 1.Sxe3+?
- Keys
- 1.Bf4!
- threat
- 2.Rd6#
- 1...Rxf3
- 2.Qxf3#
- 1...Sxc2
- 2.Bb7#
- 1...Sxa6
- 2.Rd4#
- 1...Sxh6
- 2.Qd7#
- 1...Sc6
- 2.Bc4#
- 1...Se5
- 2.Qe6#
- 1...Sf6
- 2.Qf5#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);OGATE,XP(B)::QAB(C),XR(b)
- S(g);N_GUARD,XS(A)::B(F)
- S(g);OGATE,XB(F)::R1(D)
- S(g);::B(F)
- S(h);OGATE::QAR2(C)
- S(h);OGATE,XR(H)::QAR2(C)
- Tries
- Try
- S(A);CHECK,XP(f)
- Vars
- S(h);OGATE,XS(A)::QAR2(C)
- Refutation
- K(i);P-FLIGHT,P_SPINS(g)
- Try
- B(F);CHECK
- Refutation
- K(i);P_SPINS(g),S_FLIGHT
- Try
- B(I);XR(c)
- Threat
- R1(H)
- Vars
- R(b);OGATE,XP(B)::QAB(C),XR(b)
- S(g);N_GUARD,XS(A)::B(F)
- S(g);OGATE,XB(F)::R1(D)
- S(h);OGATE,XR(H)::QAR2(C)
- S(g);::B(F)
- S(h);OGATE::QAB1(C)
- S(h);OGATE::QAR2(C)
- Refutation
- R(b);XB(I)
- Try
- B(I);
- Threat
- R1(H)
- Vars
- S(g);N_GUARD,XS(A)::B(F)
- S(g);OGATE,XB(F)::R1(D)
- S(h);OGATE,XR(H)::QAR2(C)
- S(g);::B(F)
- S(h);OGATE::QAB1(C)
- S(h);OGATE::QAR2(C)
- Refutation
- R(b);XP(B)
- Try
- R(H);CHECK
- Refutation
- K(i);P_SPINS(h),S_FLIGHT
- Try
- Q(C);XS(h)
- Threat
- DUALS(10)
- Refutation
- R(c);CHECK,XR(H)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,XP(B)::QAB(C),XR(b)
- S(g);N_GUARD,XS(A)::B(F)
- S(g);OGATE,XB(F)::R1(D)
- S(g);::B(F)
- Refutation
- R(c);CHECK,XR(H)
- Try
- Q(C);CHECK
- Refutation
- R(c);XQ(C)
- Try
- Actual
- B(I);
- Threat
- R1(H)
- Vars
- R(b);OGATE,XP(B)::QAB(C),XR(b)
- S(g);N_GUARD,XS(A)::B(F)
- S(g);OGATE,XB(F)::R1(D)
- S(h);OGATE,XR(H)::QAR2(C)
- S(g);::B(F)
- S(h);OGATE::QAB1(C)
- S(h);OGATE::QAR2(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).