MESON Chess Problem Database
Problem Display
PID: 69937 (4r1b1/8/B2NQ1PB/1qR3nK/6Np/3kPp2/5R2/1r6 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Chess, 1949
#2
10 + 8
| 15148 | Sadier Collection | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bxb5#
- 1...Rd1
- 2.Bxb5#
- 1...Re1
- 2.Bxb5#
- 1...Rf1
- 2.Bxb5#
- 1...Rg1
- 2.Bxb5#
- 1...Rh1
- 2.Bxb5#
- 1...Bh7
- 2.Qd5#
- 1...Sh3
- 2.Se5#
- 1...Se4
- 2.Se5#
- 1...Sxe6
- 2.Se5#
- 1...Sf7
- 2.Qd5#
- 1...Sh7
- 2.Se5#
- 1...Ra1
- Tries
- 1.Bg7?
- threat
- 2.Rc3#
- 2.Rd5#
- 1...Bxe6
- 2.Rc3#
- 1...Qc4
- 2.Bxc4#
- 2.Rd5#
- 1...Rc1
- 2.Rd5#
- 1...Rb3
- 2.Rd5#
- 1...Rb4
- 2.Rc3#
- 1...Rc8
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Se4
- 2.Rd5#
- 1...Sf7
- 2.Rd5#
- 2.Qd5#
- 1...Sh7
- 2.Rd5#
- 1...Sxe6!
- threat
- 1.Rfc2?
- threat
- 2.Sf2#
- 2.R5c3#
- 1...Rxe6
- 2.R5c3#
- 1...Bxe6
- 2.R5c3#
- 1...Sxe6
- 2.Sf2#
- 2.Se5#
- 1...Rf1
- 2.Bxb5#
- 2.R5c3#
- 1...Rb3
- 2.Sf2#
- 1...Rc8
- 2.Sf2#
- 1...Sh3
- 2.Se5#
- 1...Se4
- 2.Se5#
- 1...Sf7
- 2.Sf2#
- 2.Qd5#
- 1...Sh7
- 2.Sf2#
- 2.Se5#
- 1...f2
- 2.Sxf2#
- 2.R5c3#
- 1...Qc4!
- threat
- 1.Qe5?
- threat
- 2.Rc3#
- 2.Qc3#
- 2.Qd4#
- 1...Qc4
- 2.Qd4#
- 1...Rc1
- 2.Qd4#
- 1...Rb3
- 2.Qd4#
- 1...Rb4
- 2.Rc3#
- 2.Qc3#
- 1...Rc8
- 2.Qc3#
- 2.Qd4#
- 1...Bc4
- 2.Qd4#
- 1...Se4
- 2.Qd4#
- 1...Se6
- 2.Rc3#
- 2.Qc3#
- 2.Qe4#
- 2.Qf5#
- 1...Rxe5!
- threat
- 1.Qf6?
- threat
- 2.Rc3#
- 2.Qc3#
- 2.Qd4#
- 1...Rxe3
- 2.Rc3#
- 2.Qc3#
- 1...Qc4
- 2.Qd4#
- 1...Rc1
- 2.Qd4#
- 1...Rb3
- 2.Qd4#
- 1...Rb4
- 2.Rc3#
- 2.Qc3#
- 1...Re4
- 2.Rc3#
- 2.Qc3#
- 1...Rc8
- 2.Qc3#
- 2.Qd4#
- 1...Bc4
- 2.Qd4#
- 1...Sh3
- 2.Qc3#
- 2.Qd4#
- 1...Se4
- 2.Qd4#
- 1...Se6
- 2.Se5#
- 2.Qc3#
- 2.Qf5#
- 1...Sf7
- 2.Rd5#
- 2.Qc3#
- 2.Qd4#
- 1...Sh7
- 2.Qc3#
- 2.Qd4#
- 1...Re5!
- threat
- 1.Bg7?
- Keys
- 1.Rcc2!
- threat
- 2.Rfd2#
- 1...Sh3+
- 2.Se5#
- 1...Se4+
- 2.Se5#
- 1...Sxe6+
- 2.Se5#
- 1...Sf7+
- 2.Qd5#
- 1...Sh7+
- 2.Se5#
- 1...Rd1
- 2.Bxb5#
- threat
- 1.Rcc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::B(F),XQ(e)
- B(h);N_GUARD::QAR2(H)
- S(f);P_PINR(D)::S(C)
- S(f);P_PINR(D),XQ(H)::S(C)
- S(f);P_PINR(D),S_CUTB(h)::QAR2(H)
- Tries
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- B(h);XQ(H)::R1(D)
- R(a);::R(D)
- R(a);::R1(D)
- R(g);::R(D)
- S(f);P_PINR(D)::R(D)
- Refutation
- S(f);P_PINR(D),XQ(H)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- R(g);XQ(H)::R1(D)
- B(h);XQ(H)::R1(D)
- R(a);::S(C)
- R(g);::S(C)
- S(f);P_PINR(D)::S(C)
- Refutation
- Q(e);
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- Q(e);::QAR1(H)
- R(a);::QAR1(H)
- B(h);N_SPINQ(e)::QAR1(H)
- S(f);::QAR1(H)
- Refutation
- R(g);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- Q(e);::QAR1(H)
- R(a);::QAR1(H)
- B(h);N_SPINQ(e)::QAR1(H)
- S(f);P_PINR(D)::QAR1(H)
- Refutation
- R(g);
- Try
- Actual
- R(D);
- Threat
- R1(A)
- Vars
- S(f);CHECK::S(C)
- S(f);CHECK,XQ(H)::S(C)
- S(f);CHECK,S_CUTB(h)::QAR2(H)
- R(a);N_GUARD::B(F),XQ(e)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).