MESON Chess Problem Database
Problem Display
PID: 248134 (1n1N4/B2R4/Q2b4/nr3N1K/1pk1P3/1p5R/1PP5/r7 w - - 0 1)
de Blasio, Francis JC
3rd HM.=, British Chess Magazine, 1945
#2
10 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Rd4#
- 1...Bg3
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Bc5
- 2.Qe6#
- 1...Be5
- 2.Se3#
- 1...Bc7
- 2.Rd4#
- 1...Be7
- 2.Rd4#
- 1...Bf8
- 2.Rd4#
- 1...Sac6
- 2.cxb3#
- 1...Sb7
- 2.cxb3#
- 1...Bh2
- Tries
- 1.Kg4?
- threat
- 2.Se3#
- 2.Sxd6#
- 1...bxc2
- 2.Sxd6#
- 1...Rd1
- 2.Se3#
- 1...Re1
- 2.Sxd6#
- 1...Bh2
- 2.Se3#
- 2.Rd4#
- 1...Bg3
- 2.Se3#
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Bc5
- 2.Qe6#
- 1...Be5
- 2.Se3#
- 1...Bc7
- 2.Se3#
- 2.Rd4#
- 1...Be7
- 2.Se3#
- 2.Rd4#
- 1...Bf8
- 2.Se3#
- 2.Rd4#
- 1...Sb7
- 2.Se3#
- 2.cxb3#
- 1...Rg1+!
- threat
- 1.Kg6?
- threat
- 2.Se3#
- 2.Sxd6#
- 1...bxc2
- 2.Sxd6#
- 1...Rd1
- 2.Se3#
- 1...Re1
- 2.Sxd6#
- 1...Bh2
- 2.Se3#
- 2.Rd4#
- 1...Bg3
- 2.Se3#
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Bc5
- 2.Qe6#
- 1...Be5
- 2.Se3#
- 1...Bc7
- 2.Se3#
- 2.Rd4#
- 1...Be7
- 2.Se3#
- 2.Rd4#
- 1...Bf8
- 2.Se3#
- 2.Rd4#
- 1...Sb7
- 2.Se3#
- 2.cxb3#
- 1...Rg1+!
- threat
- 1.Sf7?
- threat
- 2.Sxd6#
- 1...Bh2
- 2.Rd4#
- 1...Bg3
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Bc5
- 2.Se5#
- 2.Qe6#
- 1...Be5
- 2.Se3#
- 2.Sxe5#
- 1...Bc7
- 2.Rd4#
- 1...Be7
- 2.Se5#
- 2.Rd4#
- 1...Bf8
- 2.Se5#
- 2.Rd4#
- 1...Sb7
- 2.cxb3#
- 1...Rd1!
- threat
- 1.Rb7?
- threat
- 2.Qxb5#
- 1...Sxb7
- 2.cxb3#
- 1...Sxa6!
- threat
- 1.Kg4?
- Keys
- 1.Sb7!
- threat
- 2.Sxd6#
- 1...Sxb7
- 2.cxb3#
- 1...Rd1
- 2.Sxa5#
- 1...Bh2
- 2.Rd4#
- 1...Bg3
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Bc5
- 2.Qe6#
- 1...Be5
- 2.Se3#
- 1...Bc7
- 2.Rd4#
- 1...Be7
- 2.Rd4#
- 1...Bf8
- 2.Rd4#
- threat
- 1.Sb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(g);OGATE::R1(I)
- B(g);N_PINS(E),OGATE::QAB(G)
- B(g);N_PINS(E)::S(E)
- S(e);N_GUARD::P(B),XP(b)
- Tries
- Try
- K(F);N_SPINS(E),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- P(b);XP(B)::S(E),XB(g)
- R(a);::S(E)
- R(a);::S(E),XB(g)
- B(g);OGATE::R1(I)
- B(g);OGATE::QAB(G)
- B(g);::S(E)
- Refutation
- R(a);CHECK
- Try
- K(F);N_SPINS(E),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- P(b);XP(B)::S(E),XB(g)
- R(a);::S(E)
- R(a);::S(E),XB(g)
- B(g);OGATE::R1(I)
- B(g);OGATE::QAB(G)
- B(g);::S(E)
- Refutation
- R(a);CHECK
- Try
- S(J);
- Threat
- S(J),XB(g)
- Vars
- B(g);OGATE::R1(I)
- S(e);N_GUARD::P(B),XP(b)
- Refutation
- R(a);
- Try
- R(I);
- Threat
- QAB1(G),XR(f)
- Vars
- S(e);N_GUARD,XR(I)::P(B),XP(b)
- Refutation
- S(h);N_SPINR(f),XQ(G)
- Try
- Actual
- S(J);
- Threat
- S(J),XB(g)
- Vars
- S(e);N_GUARD,XS(J)::P(B),XP(b)
- R(a);N_GUARD::S(J),XS(e)
- B(g);OGATE::R1(I)
- B(g);N_PINS(E),OGATE::QAB(G)
- B(g);N_PINS(E)::S(E)
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