MESON Chess Problem Database
Problem Display
PID: 210139 (b3BQnr/Pk3p2/pBR5/8/1N2n3/8/2P2r2/KR6 w - - 0 1)
Hannelius, Jan Ingvar
Land og Folk, 1971
#2
9 + 8
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sh6
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...Sh6
- Tries
- 1.Sa2?
- threat
- 2.Bxf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...a5
- 2.Bxf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 1...Rf1
- 2.Rc7#
- 1...Rd2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Re2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rg2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rfh2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rf3
- 2.Be3#
- 2.Rc7#
- 1...Rf4
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rf5
- 2.Bc5#
- 2.Rc7#
- 1...Rf6
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rh1
- 2.Rc7#
- 1...Rh3
- 2.Be3#
- 2.Rc7#
- 1...Rh5
- 2.Bc5#
- 2.Rc7#
- 1...Sd2
- 2.Rc7#
- 1...Sc3
- 2.Rc7#
- 1...Sc5
- 2.Bxc5#
- 2.Rc7#
- 1...Sd6
- 2.Rc7#
- 1...Rxc2!
- threat
- 1.Sd3?
- threat
- 2.Bxf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...a5
- 2.Bxf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 1...Rf1
- 2.Rc7#
- 1...Rd2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Re2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rg2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rfh2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rf3
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rf4
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rf5
- 2.Bc5#
- 2.Rc7#
- 1...Rf6
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rh1
- 2.Rc7#
- 1...Rh5
- 2.Bc5#
- 2.Rc7#
- 1...Sd2
- 2.Sc5#
- 2.Rc7#
- 1...Sc3
- 2.Sc5#
- 2.Rc7#
- 1...Sc5
- 2.Sxc5#
- 2.Bxc5#
- 2.Rc7#
- 1...Sd6
- 2.Sc5#
- 2.Rc7#
- 1...Rxc2!
- threat
- 1.Sd5?
- threat
- 2.Bxf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...a5
- 2.Bxf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 1...Rf1
- 2.Rc7#
- 1...Rd2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Re2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rg2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rfh2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rf3
- 2.Be3#
- 2.Rc7#
- 1...Rf4
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rf5
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rf6
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 2.Bc5#
- 2.Rc7#
- 1...Rh1
- 2.Rc7#
- 1...Rh3
- 2.Be3#
- 2.Rc7#
- 1...Sd2
- 2.Rc7#
- 1...Sc3
- 2.Rc7#
- 1...Sc5
- 2.Bxc5#
- 2.Rc7#
- 1...Sd6
- 2.Rc7#
- 1...Rxc2!
- threat
- 1.Bd7?
- threat
- 2.Bc8#
- 2.Qb8#
- 2.Qc8#
- 1...Sd6
- 2.Qb8#
- 1...Sgf6
- 2.Bc8#
- 1...Sh6
- 2.Bc8#
- 1...Se7!
- threat
- 1.Bxf7?
- threat
- 2.Qb8#
- 2.Qc8#
- 1...Sd6
- 2.Qb8#
- 1...Sh6
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...Sgf6!
- threat
- 1.Qd6?
- threat
- 2.Rc7#
- 2.Qc7#
- 2.Qb8#
- 2.Qd7#
- 1...Rxc2
- 2.Qc7#
- 2.Qb8#
- 2.Qd7#
- 1...Rd2
- 2.Rc7#
- 2.Qc7#
- 2.Qb8#
- 1...Sc5
- 2.Rc7#
- 2.Qc7#
- 2.Qb8#
- 1...Sef6
- 2.Rc7#
- 2.Qc7#
- 2.Qb8#
- 1...Sgf6
- 2.Rc7#
- 2.Qc7#
- 2.Qb8#
- 1...Sxd6!
- threat
- 1.Qxf7+?
- 1...Se7
- 2.Qxe7#
- 1...Rxf7!
- 1...Se7
- 1.Sa2?
- Keys
- 1.Rc8!
- threat
- 2.Rb8#
- 1...Kxb6
- 2.Sc6#
- 1...Kxc8
- 2.Bc6#
- threat
- 1.Rc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- S(g);N_GUARD::QAR(I)
- S(g);N_GUARD::QAR(I),XS(g)
- Tries
- Try
- S(D);
- Threat
- DUALS(5)
- Vars
- R(a);P_PINR(B)::R1(F)
- R(h);P_PINR(B)::R1(F)
- S(b);::R1(F)
- Refutation
- R(a);XP(C)
- Try
- S(D);
- Threat
- DUALS(5)
- Vars
- R(a);P_PINR(B)::R1(F)
- R(h);P_PINR(B)::R1(F)
- Refutation
- R(a);XP(C)
- Try
- S(D);
- Threat
- DUALS(5)
- Vars
- R(a);P_PINR(B)::R1(F)
- R(h);P_PINR(B)::R1(F)
- S(b);::R1(F)
- Refutation
- R(a);XP(C)
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- S(b);::QAR1(I)
- S(g);::B(H)
- Refutation
- S(g);
- Try
- B(H);XP(e)
- Threat
- DUALS(2)
- Vars
- S(b);::QAR1(I)
- S(g);N_GUARD::QAR(I)
- S(g);N_GUARD::QAR(I),XS(g)
- Refutation
- S(g);
- Try
- Q(I);
- Threat
- DUALS(4)
- Refutation
- S(b);XQ(I)
- Try
- Q(I);CHECK,XP(e)
- Vars
- S(g);N_GUARD,P_SPINS(g)::QAR(I),XS(g)
- Refutation
- R(a);XQ(I)
- Try
- Actual
- R(F);
- Threat
- R1(F)
- Vars
- K(d);P-FLIGHT,XB(E)::R(B)+S(D)
- K(d);S_FLIGHT,XR(F)::QAR(I)+B(H)
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