MESON Chess Problem Database
Problem Display
PID: 44409 (8/2p5/2P3N1/3nK3/2R1b3/2rBN2k/4pBR1/Q3b3 w - - 0 1)
Anonymous
1st Prize Set, BCA Ty., 1873
#2
9 + 7
| 501 | Maryland Chess Review | 1874 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Qh1#
- 1...Bxf2
- 2.Qh1#
- 1...Bxg2
- 2.Rh4#
- 1...Bxd3
- 2.Rh4#
- 1...Bf3
- 2.Rh4#
- 1...Bf5
- 2.Bxf5#
- 2.Rh4#
- 1...Bxg6
- 2.Rh4#
- 1...Sxe3
- 2.Sf4#
- 1...Sb4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sb6
- 2.Sf4#
- 1...Sf6
- 2.Sf4#
- 1...Se7
- 2.Sf4#
- 1...Bd2
- Tries
- 1.Sxd5?
- threat
- 2.Sdf4#
- 2.Sgf4#
- 1...Bxf2
- 2.Sdf4#
- 2.Qh1#
- 1...Bxg2
- 2.Rh4#
- 1...Bxd5
- 2.Sf4#
- 1...Bxg6
- 2.Sf4#
- 1...Bd2
- 2.Qh1#
- 1...Kxg2!
- threat
- 1.Bxe2?
- threat
- 2.Bg4#
- 1...Bxg2
- 2.Rh4#
- 1...Sxe3
- 2.Sf4#
- 1...Bf3
- 2.Rh4#
- 1...Bf5
- 2.Rh4#
- 1...Sf6
- 2.Sf4#
- 1...Rxe3!
- threat
- 1.Rxe4?
- threat
- 2.Rh4#
- 1...Bxf2
- 2.Qh1#
- 1...Sxe3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Rc4!
- threat
- 1.Qxe1?
- threat
- 2.Qh1#
- 1...Bxg2
- 2.Rh4#
- 1...Rc1!
- threat
- 1.Qa8?
- threat
- 2.Qh8#
- 1...Bxg6
- 2.Rh4#
- 1...Sxe3
- 2.Sf4#
- 1...Bf3
- 2.Rh4#
- 1...Sf4
- 2.Sxf4#
- 1...Sf6
- 2.Sf4#
- 1...Bxf2!
- threat
- 1.Sxd5?
- Keys
- 1.Ke6!
- 1...Bf5+
- 2.Bxf5#
- 1...Sf4+
- 2.Sxf4#
- 1...Rxd3
- 2.Qh8#
- 1...Rxc4
- 2.Qh8#
- 1...Bxf2
- 2.Qh1#
- 1...Bxg2
- 2.Rh4#
- 1...Bxd3
- 2.Rh4#
- 1...Bxg6
- 2.Rh4#
- 1...Sxe3
- 2.Sf4#
- 1...Rc1
- 2.Qh8#
- 1...Rc2
- 2.Qh8#
- 1...Ra3
- 2.Qh8#
- 1...Rb3
- 2.Qh8#
- 1...Bd2
- 2.Qh1#
- 1...Bf3
- 2.Rh4#
- 1...Sb4
- 2.Sf4#
- 1...Sb6
- 2.Sf4#
- 1...Sf6
- 2.Sf4#
- 1...Se7
- 2.Sf4#
- 1...Bf5+
- 1.Ke6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- B(a);OGATE::QAR2(A)
- B(a);OGATE,XB(B)::QAR2(A)
- B(e);OGATE,XR(C)::R1(F)
- B(e);OGATE,XB(D)::R1(F)
- B(e);OGATE::R1(F)
- B(e);OGATE,XS(I)::R1(F)
- S(f);N_GUARD,XS(E)::S(I)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- Tries
- Try
- S(E);XS(f)
- Threat
- DUALS(2)
- Vars
- B(e);OGATE,SBLOCK,XR(C)::R1(F)
- B(e);XS(E)::S(I)
- B(e);XS(I)::S(E)
- B(a);OGATE::QAR2(A)
- Refutation
- K(d);S_FLIGHT,XR(C)
- Try
- B(D);XP(b)
- Threat
- B(D)
- Vars
- B(e);OGATE,XR(C)::R1(F)
- S(f);N_GUARD,XS(E)::S(I)
- B(e);OGATE::R1(F)
- S(f);N_GUARD::S(I)
- Refutation
- R(c);XS(E)
- Try
- R(F);XB(e)
- Threat
- R1(F)
- Vars
- B(a);OGATE,XB(B)::QAR2(A)
- S(f);N_GUARD,XS(E)::S(I)
- S(f);N_GUARD::S(I),XS(f)
- Refutation
- R(c);
- Try
- Q(A);XB(a)
- Threat
- QAR2(A)
- Vars
- B(e);OGATE,XR(C)::R1(F)
- Refutation
- R(c);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- B(e);OGATE,XS(I)::R1(F)
- S(f);N_GUARD,XS(E)::S(I)
- B(e);OGATE::R1(F)
- S(f);N_GUARD::S(I),XS(f)
- S(f);N_GUARD::S(I)
- Refutation
- B(a);XB(B)
- Try
- Actual
- K(G);P-FLIGHT
- Vars
- B(e);CHECK,OGATE::B(D),XB(e)
- S(f);CHECK,N_GUARD::S(I),XS(f)
- R(c);OGATE,XB(D)::QAR(A)
- R(c);OGATE,XR(F)::QAR(A)
- B(a);OGATE,XB(B)::QAR2(A)
- B(e);OGATE,XR(C)::R1(F)
- B(e);OGATE,XB(D)::R1(F)
- B(e);OGATE,XS(I)::R1(F)
- S(f);N_GUARD,XS(E)::S(I)
- R(c);OGATE::QAR(A)
- R(c);OGATE,SBLOCK::QAR(A)
- B(a);OGATE::QAR2(A)
- B(e);OGATE::R1(F)
- S(f);N_GUARD::S(I)
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