MESON Chess Problem Database
Problem Display
PID: 249939 (8/4bp1K/4rR1B/2rP3R/2n1k1B1/1Qn2Np1/1NP3P1/5b2 w - - 0 1)
Freistadt, Heinrich
Deutsche Schachzeitung, 1944
#2
11 + 9
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd3
- 2.cxd3#
- 1...Sb1
- 2.Rf4#
- 1...Sd1
- 2.Rf4#
- 1...Sa2
- 2.Rf4#
- 1...Se2
- 2.Qd3#
- 1...Sa4
- 2.Rf4#
- 1...Sb5
- 2.Rf4#
- 1...Sxd5
- 2.Bf5#
- 1...Sxb2
- 2.Bf5#
- 1...Sd2
- 2.Bf5#
- 1...Sa3
- 2.Bf5#
- 1...Se3
- 2.Rf4#
- 1...Sa5
- 2.Bf5#
- 1...Se5
- 2.Bf5#
- 1...Sb6
- 2.Bf5#
- 1...Bd3
- Tries
- 1.Sd1?
- threat
- 2.Sxc3#
- 2.Rf4#
- 1...Rxf6
- 2.Sxc3#
- 1...Sxd1
- 2.Rf4#
- 1...Sxd5
- 2.Bf5#
- 1...Re5
- 2.Sxc3#
- 1...Bd6
- 2.Sxc3#
- 1...Sb1
- 2.Rf4#
- 1...Sa2
- 2.Rf4#
- 1...Se2
- 2.Qd3#
- 1...Sa4
- 2.Rf4#
- 1...Sb5
- 2.Rf4#
- 1...Sb2
- 2.Bf5#
- 2.Rf4#
- 1...Sd2
- 2.Bf5#
- 2.Rf4#
- 1...Sa3
- 2.Bf5#
- 2.Rf4#
- 1...Se3
- 2.Rf4#
- 1...Sa5
- 2.Bf5#
- 2.Rf4#
- 1...Se5
- 2.Bf5#
- 2.Rf4#
- 1...Sb6
- 2.Bf5#
- 2.Rf4#
- 1...Sd6
- 2.Rf4#
- 1...Bxf6!
- threat
- 1.Re5+?
- 1...Sxe5
- 2.Bf5#
- 1...Rxe5!
- 1...Sxe5
- 1.Rxe6+?
- 1...Se5
- 2.Bf5#
- 2.Rhxe5#
- 2.Rexe5#
- 1...fxe6!
- 1...Se5
- 1.Qxc3?
- threat
- 2.Rf4#
- 2.Qd4#
- 1...Rxd5
- 2.Rf4#
- 1...Rxf6
- 2.Qd4#
- 1...Re5
- 2.Qd4#
- 1...Se5
- 2.Qd4#
- 1...Bd3
- 2.Qd4#
- 2.Qxd3#
- 2.cxd3#
- 1...Bd6
- 2.Qd4#
- 1...Bxf6!
- threat
- 1.Sd1?
- Keys
- 1.Sa4!
- threat
- 2.Sxc3#
- 1...Bxf6
- 2.Sxc5#
- 1...Sxa4
- 2.Rf4#
- 1...Sxd5
- 2.Bf5#
- 1...Sb1
- 2.Rf4#
- 1...Sd1
- 2.Rf4#
- 1...Sa2
- 2.Rf4#
- 1...Se2
- 2.Qd3#
- 1...Sb5
- 2.Rf4#
- 1...Sb2
- 2.Bf5#
- 1...Sd2
- 2.Bf5#
- 1...Sa3
- 2.Bf5#
- 1...Se3
- 2.Rf4#
- 1...Sa5
- 2.Bf5#
- 1...Se5
- 2.Bf5#
- 1...Sb6
- 2.Bf5#
- 1...Sd6
- 2.Sxc5#
- threat
- 1.Sa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(a);OGATE::P(B),XB(a)
- S(b);::R1(I)
- S(b);OGATE::QAB1(D)
- S(b);SBLOCK,XP(G)::B(F)
- S(d);XS(A)::B(F)
- S(d);::B(F)
- S(d);SBLOCK::R1(I)
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- R(g);XR(I)::S(A),XS(b)
- S(b);XS(A)::R1(I)
- S(b);SBLOCK,XP(G)::B(F)
- R(g);::S(A),XS(b)
- B(h);::S(A),XS(b)
- S(b);::R1(I)
- S(b);OGATE::QAB1(D)
- S(d);::R1(I)
- Refutation
- B(h);XR(I)
- Try
- R(H);CHECK
- Vars
- S(d);XR(H)::B(F)
- Refutation
- R(g);XR(H)
- Try
- R(I);CHECK,XR(g)
- Refutation
- P(i);XR(I)
- Try
- Q(D);XS(b)
- Threat
- DUALS(2)
- Vars
- R(f);XP(G)::R1(I)
- R(g);XR(I)::QAR1(D)
- R(g);::QAR1(D)
- S(d);::QAR1(D)
- B(h);::QAR1(D)
- Refutation
- B(h);XR(I)
- Try
- Actual
- S(A);
- Threat
- S(A),XS(b)
- Vars
- B(h);N_GUARD,XR(I)::S(A),XR(f)
- S(b);XS(A)::R1(I)
- S(b);SBLOCK,XP(G)::B(F)
- S(b);::R1(I)
- S(b);OGATE::QAB1(D)
- S(d);::B(F)
- S(d);SBLOCK::R1(I)
- S(d);S_CUTB(h)::S(A),XR(f)
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