MESON Chess Problem Database
Problem Display
PID: 50162 (r2b2Q1/p3B1pK/R3P2R/1P1kp3/2n1N3/2PP2Pp/N1n3r1/7B w - - 0 1)
Stocchi, Ottavio
Nynorsk Vekeblad, 1950
#2
13 + 10
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sf6#
- 1...Rd2
- 2.Sf6#
- 1...Re2
- 2.Sf6#
- 1...Rf2
- 2.Sf6#
- 1...Rh2
- 2.Sf6#
- 1...Rxg3
- 2.Sf6#
- 1...Ba5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bc7
- 2.Qxa8#
- 1...Bxe7
- 2.Qxa8#
- 1...Sa1
- 2.Sb4#
- 1...Se1
- 2.Sb4#
- 1...S2a3
- 2.Sb4#
- 1...S2e3
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Sd4
- 2.Sb4#
- 1...Sb2
- 2.Rd6#
- 1...Sd2
- 2.Rd6#
- 1...S4a3
- 2.Rd6#
- 1...S4e3
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...gxh6
- 2.Sf6#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Rg1
- Tries
- 1.Kxg7?
- threat
- 2.Sf6#
- 1...Bxe7
- 2.Qxa8#
- 1...Sd6
- 2.Rxd6#
- 1...Rxg3+!
- threat
- 1.Bxg2?
- threat
- 2.Sf6#
- 1...Bxe7
- 2.Qxa8#
- 1...Sd6
- 2.Rxd6#
- 1...hxg2!
- threat
- 1.Bb4?
- threat
- 2.e7#
- 1...Rf2
- 2.Sf6#
- 1...Bh4
- 2.Qxa8#
- 1...Ba5
- 2.Qxa8#
- 1...Bg5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bf6
- 2.Qxa8#
- 1...Bc7
- 2.Qxa8#
- 1...Be7
- 2.Qxa8#
- 1...Sd6
- 2.Rxd6#
- 1...Sd4!
- threat
- 1.Bh4?
- threat
- 2.e7#
- 1...Bxh4
- 2.Qxa8#
- 1...Ba5
- 2.Qxa8#
- 1...Bg5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bf6
- 2.Qxa8#
- 1...Bc7
- 2.Qxa8#
- 1...Be7
- 2.Qxa8#
- 1...Sd4
- 2.Sb4#
- 1...Sd6
- 2.Rxd6#
- 1...Rf2!
- threat
- 1.Bc5?
- threat
- 2.e7#
- 1...Bh4
- 2.Qxa8#
- 1...Ba5
- 2.Qxa8#
- 1...Bg5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bf6
- 2.Qxa8#
- 1...Bc7
- 2.Qxa8#
- 1...Be7
- 2.Qxa8#
- 1...Sd4
- 2.Sb4#
- 1...Sd6
- 2.Rxd6#
- 1...Rf2!
- threat
- 1.Bg5?
- threat
- 2.e7#
- 1...Bxg5
- 2.Qxa8#
- 1...Ba5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bf6
- 2.Qxa8#
- 1...Bc7
- 2.Qxa8#
- 1...Be7
- 2.Qxa8#
- 1...Sd4
- 2.Sb4#
- 1...Sd6
- 2.Rxd6#
- 1...Rf2!
- threat
- 1.Bd6?
- threat
- 2.e7#
- 1...Sxd6
- 2.Rxd6#
- 1...Rf2
- 2.Sf6#
- 1...Bh4
- 2.Qxa8#
- 1...Ba5
- 2.Qxa8#
- 1...Bg5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bc7
- 2.Qxa8#
- 1...Be7
- 2.Qxa8#
- 1...Sd4
- 2.Sb4#
- 1...Bf6!
- threat
- 1.Bf6?
- threat
- 2.e7#
- 1...Bxf6
- 2.Qxa8#
- 1...Ba5
- 2.Qxa8#
- 1...Bc7
- 2.Qxa8#
- 1...Be7
- 2.Qxa8#
- 1...Sd4
- 2.Sb4#
- 1...Sd6
- 2.Rxd6#
- 1...Bb6!
- threat
- 1.Bf8?
- threat
- 2.e7#
- 1...Rf2
- 2.Sf6#
- 1...Sd4
- 2.Sb4#
- 1...Sd6
- 2.Rxd6#
- 1...Be7!
- threat
- 1.Qxd8+?
- 1...Sd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Rxd8!
- 1...Sd6
- 1.Qe8?
- threat
- 2.Qc6#
- 1...Sb4
- 2.Sxb4#
- 1...Sd4
- 2.Sb4#
- 1...Sa5
- 2.Rd6#
- 2.Qd7#
- 1...Rc8!
- threat
- 1.Kxg7?
- Keys
- 1.Ba3!
- threat
- 2.e7#
- 1...Rf2
- 2.Sf6#
- 1...Bh4
- 2.Qxa8#
- 1...Ba5
- 2.Qxa8#
- 1...Bg5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bf6
- 2.Qxa8#
- 1...Bc7
- 2.Qxa8#
- 1...Be7
- 2.Qxa8#
- 1...Sd4
- 2.Sb4#
- 1...Sd6
- 2.Rxd6#
- threat
- 1.Ba3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 18
- Sets
- R(b);::B(A)+S(F),DCHECK
- R(b);XP(E)::B(A)+S(F),DCHECK
- B(j);OGATE::QAB(M),XR(i)
- B(j);OGATE,XB(K)::QAB(M),XR(i)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(d);N_GUARD::R1(H)
- S(d);N_GUARD::R1(H),XS(d)
- P(h);N_GUARD,XR(J)::S(F)
- P(h);N_GUARD::S(F)
- Tries
- Try
- K(L);P-FLIGHT,P_SPINP(E),XP(h)
- Threat
- S(F)
- Vars
- B(j);OGATE,XB(K)::QAB(M),XR(i)
- S(d);N_GUARD::R1(H),XS(d)
- Refutation
- R(b);CHECK,XP(E)
- Try
- B(A);XR(b)
- Threat
- B(A)+S(F),DCHECK
- Vars
- B(j);OGATE,XB(K)::QAB(M),XR(i)
- S(d);N_GUARD::R1(H),XS(d)
- Refutation
- P(c);XB(A)
- Try
- B(K);
- Threat
- QAB(M)+P(I)
- Vars
- R(b);::B(A)+S(F),DCHECK
- B(j);OGATE::QAB(M),XR(i)
- S(d);N_GUARD::R1(H),XS(d)
- Refutation
- S(a);
- Try
- B(K);
- Threat
- QAB(M)+P(I)
- Vars
- B(j);OGATE,XB(K)::QAB(M),XR(i)
- B(j);OGATE::QAB(M),XR(i)
- S(a);N_GUARD::S(B)
- S(d);N_GUARD::R1(H),XS(d)
- Refutation
- R(b);
- Try
- B(K);
- Threat
- QAB(M)+P(I)
- Vars
- B(j);OGATE::QAB(M),XR(i)
- S(a);N_GUARD::S(B)
- S(d);N_GUARD::R1(H),XS(d)
- Refutation
- R(b);
- Try
- B(K);
- Threat
- QAB(M)+P(I)
- Vars
- B(j);OGATE,XB(K)::QAB(M),XR(i)
- B(j);OGATE::QAB(M),XR(i)
- S(a);N_GUARD::S(B)
- S(d);N_GUARD::R1(H),XS(d)
- Refutation
- R(b);
- Try
- B(K);
- Threat
- QAB(M)+P(I)
- Vars
- S(d);OGATE,XB(K)::R1(H),XS(d)
- R(b);::B(A)+S(F),DCHECK
- B(j);OGATE::QAB(M),XR(i)
- S(a);N_GUARD::S(B)
- Refutation
- B(j);
- Try
- B(K);
- Threat
- QAB(M)+P(I)
- Vars
- B(j);OGATE,XB(K)::QAB(M),XR(i)
- B(j);OGATE::QAB(M),XR(i)
- S(a);N_GUARD::S(B)
- S(d);N_GUARD::R1(H),XS(d)
- Refutation
- B(j);
- Try
- B(K);
- Threat
- QAB(M)+P(I)
- Vars
- R(b);::B(A)+S(F),DCHECK
- S(a);N_GUARD::S(B)
- S(d);N_GUARD::R1(H),XS(d)
- Refutation
- B(j);
- Try
- Q(M);CHECK,XB(j)
- Refutation
- R(i);XQ(M)
- Try
- Q(M);
- Threat
- QAB1(M)
- Vars
- S(a);N_GUARD::S(B),XS(a)
- S(a);N_GUARD::S(B)
- Refutation
- R(i);
- Try
- Actual
- B(K);
- Threat
- QAB(M)+P(I)
- Vars
- R(b);::B(A)+S(F),DCHECK
- B(j);OGATE::QAB(M),XR(i)
- S(a);N_GUARD::S(B)
- S(d);N_GUARD::R1(H),XS(d)
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).