MESON Chess Problem Database
Problem Display
PID: 264121 (8/8/1pB4n/rp1n1PbQ/3B1pb1/PR3P2/R2PkNN1/6K1 w - - 0 1)
ten Cate, Pieter
Tijdschrift vd KNSB, 1950
#2
12 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxa3
- 2.Bxb5#
- 1...Ra6
- 2.Bxb5#
- 1...Ra7
- 2.Bxb5#
- 1...Ra8
- 2.Bxb5#
- 1...Bxf3
- 2.Qxf3#
- 2.d3#
- 1...Bh3
- 2.d3#
- 1...Bxf5
- 2.d3#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sf6
- 2.d3#
- 1...Sc7
- 2.d3#
- 1...Se7
- 2.d3#
- 1...Rxa3
- Tries
- 1.Sxf4+?
- 1...Ke1
- 2.Rb1#
- 1...Sxf4
- 2.Re3#
- 1...Bxf4!
- 1...Ke1
- 1.Ba1?
- threat
- 2.d4#
- 1...Rxa3
- 2.Bxb5#
- 1...Bxf5
- 2.d3#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sb4!
- threat
- 1.Bc5?
- threat
- 2.d4#
- 1...Rxa3
- 2.Bxb5#
- 1...Bxf5
- 2.d3#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sb4!
- threat
- 1.Be5?
- threat
- 2.d4#
- 1...Rxa3
- 2.Bxb5#
- 1...Bxf5
- 2.d3#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sb4!
- threat
- 1.Bxb6?
- threat
- 2.d4#
- 1...Rxa3
- 2.Bxb5#
- 1...Bxf5
- 2.d3#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sb4!
- threat
- 1.Bg7?
- threat
- 2.d4#
- 1...Rxa3
- 2.Bxb5#
- 1...Bxf5
- 2.d3#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sb4!
- threat
- 1.Bh8?
- threat
- 2.d4#
- 1...Rxa3
- 2.Bxb5#
- 1...Bxf5
- 2.d3#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sb4!
- threat
- 1.Re3+?
- 1...Sxe3
- 2.dxe3#
- 1...fxe3!
- 1...Sxe3
- 1.Qe8+?
- 1...Se3
- 2.dxe3#
- 2.d3#
- 1...Se7
- 2.d3#
- 1...Be7!
- 1...Se3
- 1.Sxf4+?
- Keys
- 1.Bf6!
- threat
- 2.d4#
- 1...Rxa3
- 2.Bxb5#
- 1...Bxf5
- 2.d3#
- 1...Sb4
- 2.Qe8#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(d);N_GUARD,XP(F)::B(L),XP(e)
- R(d);N_GUARD::B(L),XP(e)
- B(c);::R(B)+P(C)
- B(c);XP(J)::R(B)+P(C)
- S(f);OGATE::R(B)+P(C),XS(f)
- S(f);::R(B)+P(C)
- Tries
- Try
- S(E);CHECK,XP(b)
- Vars
- K(a);N_GUARD,P-FLIGHT,S_CUTB(g),S_CUTS(f)::R(G)
- S(f);XS(E)::R1(G)
- Refutation
- B(g);XS(E)
- Try
- B(I);
- Threat
- R(B)+P(C)
- Vars
- R(d);N_GUARD,XP(F)::B(L),XP(e)
- B(c);XP(J)::R(B)+P(C)
- S(f);OGATE::R(B)+P(C),XS(f)
- Refutation
- S(f);
- Try
- B(I);
- Threat
- R(B)+P(C)
- Vars
- R(d);N_GUARD,XP(F)::B(L),XP(e)
- B(c);XP(J)::R(B)+P(C)
- S(f);OGATE::R(B)+P(C),XS(f)
- Refutation
- S(f);
- Try
- B(I);
- Threat
- R(B)+P(C)
- Vars
- R(d);N_GUARD,XP(F)::B(L),XP(e)
- B(c);XP(J)::R(B)+P(C)
- S(f);OGATE::R(B)+P(C),XS(f)
- Refutation
- S(f);
- Try
- B(I);XP(h)
- Threat
- R(B)+P(C)
- Vars
- R(d);N_GUARD,XP(F)::B(L),XP(e)
- B(c);XP(J)::R(B)+P(C)
- S(f);OGATE::R(B)+P(C),XS(f)
- Refutation
- S(f);
- Try
- B(I);
- Threat
- R(B)+P(C)
- Vars
- R(d);N_GUARD,XP(F)::B(L),XP(e)
- B(c);XP(J)::R(B)+P(C)
- S(f);OGATE::R(B)+P(C),XS(f)
- Refutation
- S(f);
- Try
- B(I);
- Threat
- R(B)+P(C)
- Vars
- R(d);N_GUARD,XP(F)::B(L),XP(e)
- B(c);XP(J)::R(B)+P(C)
- S(f);OGATE::R(B)+P(C),XS(f)
- Refutation
- S(f);
- Try
- R(G);CHECK
- Vars
- S(f);OGATE,XR(G)::R(B)+P(C),XS(f)
- Refutation
- P(b);XR(G)
- Try
- Q(K);CHECK
- Vars
- S(f);P_SPINS(f)::R(B)+P(C)
- Refutation
- B(g);P_SPINB(g)
- Try
- Actual
- B(I);
- Threat
- R(B)+P(C)
- Vars
- R(d);N_GUARD,XP(F)::B(L),XP(e)
- B(c);XP(J)::R(B)+P(C)
- S(f);N_GUARD::QAR(K)
- S(f);OGATE::R(B)+P(C),XS(f)
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