MESON Chess Problem Database
Problem Display
PID: 214819 (4R2B/2p1p3/B1Pbbp2/R1npkP2/1N2P2Q/K1P1N2P/5P2/8 w - - 0 1)
Sardella, Giuseppe
Best Problems, 2020
#2
14 + 8
| 3713 | Snap | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bd7
- 2.Bxf6#
- 1...Bf7
- 2.Bxf6#
- 1...Bc8
- 2.Bxf6#
- 1...Bg8
- 2.Bxf6#
- 1...Sb3
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sxe4
- 2.f4#
- 1...Sxa6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...dxe4
- 2.Qg3#
- 1...d4
- 2.Sd3#
- 1...Bd7
- Tries
- 1.Bf1?
- 1...Sxe4
- 2.f4#
- 1...dxe4
- 2.Qg3#
- 1...Sd3
- 2.Sc4#
- 1...Bd7
- 2.Bxf6#
- 1...Bf7
- 2.Bxf6#
- 1...Bc8
- 2.Bxf6#
- 1...Bg8
- 2.Bxf6#
- 1...Sb3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sa6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...d4
- 2.Sd3#
- 1...Bxf5!
- 1...Sxe4
- 1.Be2?
- 1...Sxe4
- 2.f4#
- 1...dxe4
- 2.Qg3#
- 1...Sd3
- 2.Sc4#
- 1...Bd7
- 2.Bxf6#
- 1...Bf7
- 2.Bxf6#
- 1...Bc8
- 2.Bxf6#
- 1...Bg8
- 2.Bxf6#
- 1...Sb3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sa6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...d4
- 2.Sd3#
- 1...Bxf5!
- 1...Sxe4
- 1.Bd3?
- threat
- 2.Qg3#
- 2.f4#
- 1...Sxd3
- 2.Sc4#
- 1...Sxe4
- 2.Qxe4#
- 2.f4#
- 1...dxe4
- 2.Qg3#
- 2.Qxe4#
- 1...Bxf5!
- threat
- 1.Bb7?
- 1...Sxe4
- 2.f4#
- 1...Sxb7
- 2.Sc4#
- 1...dxe4
- 2.Qg3#
- 1...Sd3
- 2.Sc4#
- 1...Bd7
- 2.Bxf6#
- 1...Bf7
- 2.Bxf6#
- 1...Bc8
- 2.Bxf6#
- 1...Bg8
- 2.Bxf6#
- 1...Sb3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sa6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...d4
- 2.Sd3#
- 1...Bxf5!
- 1...Sxe4
- 1.Bg7?
- 1...Sxe4
- 2.f4#
- 1...Sxa6
- 2.Sc4#
- 1...dxe4
- 2.Qg3#
- 1...Sd3
- 2.Sc4#
- 1...Bd7
- 2.Bxf6#
- 1...Bf7
- 2.Bxf6#
- 1...Bc8
- 2.Bxf6#
- 1...Bg8
- 2.Bxf6#
- 1...Sb3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...d4
- 2.Sd3#
- 1...Bxf5!
- 1...Sxe4
- 1.Rb5?
- 1...Sxe4
- 2.f4#
- 1...Sxa6
- 2.Sc4#
- 1...dxe4
- 2.Qg3#
- 1...Sd3
- 2.Sc4#
- 1...Bd7
- 2.Bxf6#
- 1...Bf7
- 2.Bxf6#
- 1...Bc8
- 2.Bxf6#
- 1...Bg8
- 2.Bxf6#
- 1...Sb3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...d4
- 2.Sd3#
- 1...Bxf5!
- 1...Sxe4
- 1.Rxe7?
- threat
- 2.Bxf6#
- 1...Sxe4
- 2.Rxd5#
- 2.Rxe6#
- 2.f4#
- 1...Sd7
- 2.Sc4#
- 2.Rxd5#
- 2.Rxe6#
- 1...Bxe7!
- threat
- 1.f3?
- threat
- 2.Qg3#
- 1...Sxe4
- 2.Qxe4#
- 2.f4#
- 1...Sd3
- 2.Sc4#
- 1...Bxf5!
- threat
- 1.exd5?
- threat
- 2.Qd4#
- 1...Se4
- 2.f4#
- 1...Sb3!
- threat
- 1.Bf1?
- Keys
- 1.Bc8!
- 1...Bxf5
- 2.Bxf6#
- 1...Bxc8
- 2.Bxf6#
- 1...Sxe4
- 2.f4#
- 1...dxe4
- 2.Qg3#
- 1...Sd3
- 2.Sc4#
- 1...Bd7
- 2.Bxf6#
- 1...Bf7
- 2.Bxf6#
- 1...Bg8
- 2.Bxf6#
- 1...Sb3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sa6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...d4
- 2.Sd3#
- 1...Bxf5
- 1.Bc8!
Anticipated by 78697(1956)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(e);S_CUTP(h)::B(N),XP(f)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b)::S(D)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),SBLOCK,XP(G)::P(A)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),XB(K)::S(D)
- P(b);P_SPINS(a),SBLOCK,XP(G)::QAB(H)
- P(b);P_SPINS(a)::S(F)
- Tries
- Try
- B(K);
- Vars
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),SBLOCK,XP(G)::P(A)
- P(b);P_SPINS(a),SBLOCK,XP(G)::QAB(H)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b)::S(D)
- B(e);S_CUTP(h)::B(N),XP(f)
- P(b);P_SPINS(a)::S(F)
- Refutation
- B(e);XP(J)
- Try
- B(K);
- Vars
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),SBLOCK,XP(G)::P(A)
- P(b);P_SPINS(a),SBLOCK,XP(G)::QAB(H)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b)::S(D)
- B(e);S_CUTP(h)::B(N),XP(f)
- P(b);P_SPINS(a)::S(F)
- Refutation
- B(e);XP(J)
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),XB(K)::S(D)
- Refutation
- B(e);XP(J)
- Try
- B(K);
- Vars
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),SBLOCK,XP(G)::P(A)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),XB(K)::S(D)
- P(b);P_SPINS(a),SBLOCK,XP(G)::QAB(H)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b)::S(D)
- B(e);S_CUTP(h)::B(N),XP(f)
- P(b);P_SPINS(a)::S(F)
- Refutation
- B(e);XP(J)
- Try
- B(N);
- Vars
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),SBLOCK,XP(G)::P(A)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),XB(K)::S(D)
- P(b);P_SPINS(a),SBLOCK,XP(G)::QAB(H)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b)::S(D)
- B(e);S_CUTP(h)::B(N),XP(f)
- P(b);P_SPINS(a)::S(F)
- Refutation
- B(e);XP(J)
- Try
- R(I);
- Vars
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),SBLOCK,XP(G)::P(A)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),XB(K)::S(D)
- P(b);P_SPINS(a),SBLOCK,XP(G)::QAB(H)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b)::S(D)
- B(e);S_CUTP(h)::B(N),XP(f)
- P(b);P_SPINS(a)::S(F)
- Refutation
- B(e);XP(J)
- Try
- R(M);P_PINB(e),XP(h)
- Threat
- B(N),XP(f)
- Refutation
- B(d);N_SPINB(e),XR(M)
- Try
- P(A);
- Threat
- QAB(H)
- Vars
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b)::S(D)
- Refutation
- B(e);XP(J)
- Try
- P(G);XP(b)
- Threat
- QAB1(H)
- Vars
- S(a);P_PINS(F),SBLOCK::P(A)
- Refutation
- S(a);P_PINS(F)
- Try
- Actual
- B(K);
- Vars
- B(e);S_CUTP(h),XP(J)::B(N),XP(f)
- B(e);S_CUTP(h),XB(K)::B(N),XP(f)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b),SBLOCK,XP(G)::P(A)
- P(b);P_SPINS(a),SBLOCK,XP(G)::QAB(H)
- S(a);N_SPINP(f),P_PINS(F),P_SPINP(b)::S(D)
- B(e);S_CUTP(h)::B(N),XP(f)
- P(b);P_SPINS(a)::S(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).