MESON Chess Problem Database
Problem Display
PID: 254571 (4Q3/8/2Npn2r/3kBP2/1KR3R1/1p1r4/8/1N6 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2021
#2
8 + 6
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sc3#
- 1...Rd2
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Rd4
- 2.Sc3#
- 1...Rh1
- 2.Qxe6#
- 1...Rh2
- 2.Qxe6#
- 1...Rh3
- 2.Qxe6#
- 1...Rh4
- 2.Qxe6#
- 1...Rh5
- 2.Qxe6#
- 1...Rh7
- 2.Qxe6#
- 1...Rh8
- 2.Qxe6#
- 1...dxe5
- 2.Qd7#
- 1...Rd1
- Tries
- 1.Ba1?
- threat
- 2.Se7#
- 1...Rc3
- 2.Sxc3#
- 1...Rd4
- 2.Sc3#
- 1...Rh7
- 2.Qxe6#
- 1...Sd4
- 2.Qe4#
- 1...b2!
- threat
- 1.Bh2?
- threat
- 2.Se7#
- 1...Rxh2
- 2.Qxe6#
- 1...Rh7
- 2.Qxe6#
- 1...Sf4
- 2.Qe4#
- 1...Rg3!
- threat
- 1.Bc3?
- threat
- 2.Se7#
- 1...Rxc3
- 2.Sxc3#
- 1...Rh7
- 2.Qxe6#
- 1...Sd4
- 2.Qe4#
- 1...Rd4!
- threat
- 1.Bg3?
- threat
- 2.Se7#
- 1...Rh7
- 2.Qxe6#
- 1...Sf4
- 2.Qe4#
- 1...Rxg3!
- threat
- 1.Bd4?
- threat
- 2.Se7#
- 1...Rxd4
- 2.Sc3#
- 1...Sxd4
- 2.Qe4#
- 1...Rh7
- 2.Qxe6#
- 1...Sf4!
- threat
- 1.Bf4?
- threat
- 2.Se7#
- 1...Sxf4
- 2.Qe4#
- 1...Rd4
- 2.Sc3#
- 1...Rh7
- 2.Qxe6#
- 1...Sd4!
- threat
- 1.Bf6?
- threat
- 2.Se7#
- 2.Qxe6#
- 1...Re3
- 2.Se7#
- 1...Rh7
- 2.Qxe6#
- 1...Sd4
- 2.Se7#
- 2.Qe4#
- 1...Sf4
- 2.Se7#
- 2.Qe4#
- 1...Sc5
- 2.Se7#
- 1...Sg5
- 2.Se7#
- 1...Sc7
- 2.Se7#
- 2.Qe4#
- 1...Sg7
- 2.Se7#
- 2.Qe4#
- 1...Sd8
- 2.Se7#
- 2.Qe4#
- 1...Sf8
- 2.Se7#
- 2.Qe4#
- 1...Rxf6!
- threat
- 1.Bg7?
- threat
- 2.Se7#
- 1...Sxg7
- 2.Qe4#
- 1...Rf6!
- threat
- 1.Bh8?
- threat
- 2.Se7#
- 1...Rxh8
- 2.Qxe6#
- 1...Rh7
- 2.Qxe6#
- 1...Sg7
- 2.Qe4#
- 1...Rf6!
- threat
- 1.Rgd4+?
- 1...Rxd4
- 2.Sc3#
- 1...Sxd4!
- 1...Rxd4
- 1.Rge4?
- threat
- 2.Se7#
- 1...dxe5
- 2.Qd7#
- 1...Rd4
- 2.Sc3#
- 1...Rh7
- 2.Qxe6#
- 1...Sd4!
- threat
- 1.Qd7?
- threat
- 2.Qxd6#
- 1...Sd4
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...Sg5
- 2.Rc5#
- 1...Sc7
- 2.Rc5#
- 1...Sg7
- 2.Rc5#
- 1...Sd8
- 2.Rc5#
- 1...Sf8
- 2.Rc5#
- 1...Sf4!
- threat
- 1.Qd8?
- threat
- 2.Qxd6#
- 1...Sc5
- 2.Rxc5#
- 1...Sd4
- 2.Rc5#
- 1...Sf4
- 2.Qa5#
- 1...Sg5
- 2.Rc5#
- 2.Qa5#
- 1...Sc7
- 2.Rc5#
- 1...Sg7
- 2.Rc5#
- 2.Qa5#
- 1...Sf8
- 2.Rc5#
- 2.Qa5#
- 1...Sxd8!
- threat
- 1.Ba1?
- Keys
- 1.Bb2!
- threat
- 2.Se7#
- 1...Rc3
- 2.Sxc3#
- 1...Rd4
- 2.Sc3#
- 1...Rh7
- 2.Qxe6#
- 1...Sd4
- 2.Qe4#
- threat
- 1.Bb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD::S(A)
- R(b);N_GUARD::S(A),XR(b)
- R(b);N_GUARD,P_PINR(C)::S(A)
- R(f);N_GUARD::QAB1(H),XS(e)
- P(d);OGATEB,XB(E)::QAR2(H)
- Tries
- Try
- B(E);
- Threat
- S(G)
- Vars
- R(b);N_GUARD::S(A),XR(b)
- R(b);N_GUARD,P_PINR(C)::S(A)
- R(f);N_GUARD::QAB1(H),XS(e)
- S(e);OGATE::QAB1(H)
- Refutation
- P(a);
- Try
- B(E);
- Threat
- S(G)
- Vars
- R(f);N_GUARD,XB(E)::QAB1(H),XS(e)
- R(f);N_GUARD::QAB1(H),XS(e)
- S(e);OGATE::QAB1(H)
- Refutation
- R(b);
- Try
- B(E);
- Threat
- S(G)
- Vars
- R(b);XB(E)::S(A),XR(b)
- R(f);N_GUARD::QAB1(H),XS(e)
- S(e);OGATE::QAB1(H)
- Refutation
- R(b);P_PINR(C)
- Try
- B(E);
- Threat
- S(G)
- Vars
- R(f);N_GUARD::QAB1(H),XS(e)
- S(e);OGATE::QAB1(H)
- Refutation
- R(b);XB(E)
- Try
- B(E);
- Threat
- S(G)
- Vars
- R(b);N_GUARD,P_PINR(C),XB(E)::S(A)
- S(e);OGATE,XB(E)::QAB1(H)
- R(f);N_GUARD::QAB1(H),XS(e)
- Refutation
- S(e);
- Try
- B(E);
- Threat
- S(G)
- Vars
- S(e);OGATE,XB(E)::QAB1(H)
- R(b);N_GUARD,P_PINR(C)::S(A)
- R(f);N_GUARD::QAB1(H),XS(e)
- Refutation
- S(e);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(b);::S(G)
- R(f);::QAB1(H),XS(e)
- S(e);::S(G)
- Refutation
- R(f);XB(E)
- Try
- B(E);
- Threat
- S(G)
- Vars
- S(e);OGATE,XB(E)::QAB1(H)
- Refutation
- R(f);
- Try
- B(E);
- Threat
- S(G)
- Vars
- R(f);N_GUARD,XB(E)::QAB1(H),XS(e)
- R(f);N_GUARD::QAB1(H),XS(e)
- S(e);OGATE::QAB1(H)
- Refutation
- R(f);
- Try
- R(D);CHECK
- Vars
- R(b);P_PINR(C),XR(D)::S(A)
- Refutation
- S(e);XR(D)
- Try
- R(D);
- Threat
- S(G)
- Vars
- P(d);OGATEB,XB(E)::QAR2(H)
- R(b);N_GUARD,P_PINR(C)::S(A)
- R(f);N_GUARD::QAB1(H),XS(e)
- Refutation
- S(e);
- Try
- Q(H);P_PINP(d)
- Threat
- QAR1(H),XP(d)
- Vars
- S(e);N_GUARD::R1(C)
- S(e);N_GUARD::R1(C),XS(e)
- Refutation
- S(e);
- Try
- Q(H);P_PINP(d)
- Threat
- QAR1(H),XP(d)
- Vars
- S(e);N_GUARD::R1(C),XS(e)
- S(e);N_GUARD::R1(C)
- S(e);N_GUARD::QAR(H)
- Refutation
- S(e);N_SPINP(d),XQ(H)
- Try
- Actual
- B(E);
- Threat
- S(G)
- Vars
- R(b);N_GUARD::S(A),XR(b)
- R(b);N_GUARD,P_PINR(C)::S(A)
- R(f);N_GUARD::QAB1(H),XS(e)
- S(e);OGATE::QAB1(H)
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