MESON Chess Problem Database
Problem Display
PID: 246322 (1K6/pn2pQ2/1p3B1p/8/1r1RBk1r/3PpP2/qP4Rb/4N3 w - - 0 1)
Buchwald, Julius
Sjakk-Nytt, 1946
#2
10 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Bg7#
- 2.Bh8#
- 1...Qa1
- 2.Bg7#
- 2.Bh8#
- 1...Qxb2
- 2.Bg7#
- 2.Bh8#
- 1...Qa3
- 2.Bg7#
- 2.Bh8#
- 1...Qa4
- 2.Bg7#
- 2.Bh8#
- 1...Qa6
- 2.Bg7#
- 2.Bh8#
- 1...Rxb2
- 2.Bg6#
- 2.Bh7#
- 1...Rb3
- 2.Bg6#
- 2.Bh7#
- 2.Bg7#
- 2.Bh8#
- 1...Rc4
- 2.Bg7#
- 2.Bh8#
- 1...Rb5
- 2.Bg6#
- 2.Bh7#
- 1...Rh3
- 2.Rg4#
- 1...Rg4
- 2.Rxg4#
- 1...Rh5
- 2.Rg4#
- 1...exf6
- 2.Qxf6#
- 1...e5
- 2.Bg5#
- 1...e6
- 2.Bg7#
- 2.Bh8#
- 1...Qb1
- Tries
- 1.Bd5+?
- 1...Rxd4
- 2.Bxd4#
- 2.Bg7#
- 2.Bh8#
- 1...Kf5+!
- 1...Rxd4
- 1.Bxe7+?
- 1...Ke5
- 2.Qf6#
- 1...Qxf7!
- 1...Ke5
- 1.Rg5?
- threat
- 2.Sg2#
- 1...Qxb2
- 2.Bxe7#
- 1...Rxb2
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bxb7#
- 2.Bh7#
- 1...exf6
- 2.Qxf6#
- 1...Rg4
- 2.Rxg4#
- 1...hxg5!
- threat
- 1.Rg6?
- threat
- 2.Sg2#
- 1...Qxb2
- 2.Bg7#
- 2.Bh8#
- 1...exf6
- 2.Qxf6#
- 1...Rg4
- 2.Rxg4#
- 1...Rxb2!
- threat
- 1.Rg7?
- threat
- 2.Sg2#
- 1...Rxb2
- 2.Bh7#
- 1...exf6
- 2.Qxf6#
- 1...Rg4
- 2.Rxg4#
- 1...Qxb2!
- threat
- 1.Rd5?
- threat
- 2.Bc3#
- 2.Bd4#
- 2.Bxh4#
- 2.Be5#
- 2.Bg5#
- 2.Bxe7#
- 2.Bg7#
- 2.Bh8#
- 2.Rf5#
- 1...Qxb2
- 2.Bxb2#
- 2.Bc3#
- 2.Bd4#
- 2.Be5#
- 2.Bg5#
- 2.Rf5#
- 1...Rxe4
- 2.Bc3#
- 2.Bd4#
- 2.Bxh4#
- 2.Be5#
- 2.Bg5#
- 2.Bxe7#
- 2.Bg7#
- 2.Bh8#
- 1...exf6
- 2.Rf5#
- 2.Qxf6#
- 1...e2
- 2.Bd4#
- 2.Bg5#
- 1...Qa5
- 2.Bc3#
- 2.Bd4#
- 2.Bxh4#
- 2.Be5#
- 2.Bg5#
- 2.Bxe7#
- 2.Bg7#
- 2.Bh8#
- 1...Rd4
- 2.Bxd4#
- 2.Bxh4#
- 2.Be5#
- 2.Bg5#
- 2.Bxe7#
- 2.Bg7#
- 2.Bh8#
- 2.Rf5#
- 1...Rb5
- 2.Bc3#
- 2.Bd4#
- 2.Bxh4#
- 2.Be5#
- 2.Bg5#
- 2.Bxe7#
- 2.Bg7#
- 2.Bh8#
- 1...Rh3
- 2.Bc3#
- 2.Bd4#
- 2.Bh4#
- 2.Be5#
- 2.Bg5#
- 2.Bxe7#
- 2.Bg7#
- 2.Bh8#
- 2.Rg4#
- 2.Rf5#
- 1...Rg4
- 2.Bc3#
- 2.Bd4#
- 2.Bh4#
- 2.Bg5#
- 2.Bxe7#
- 2.Bg7#
- 2.Bh8#
- 2.Rxg4#
- 2.Rf5#
- 1...Rh5
- 2.Be5#
- 2.Bg5#
- 2.Rg4#
- 1...Bg3
- 2.Bc3#
- 2.Bd4#
- 2.Bxh4#
- 2.Bg5#
- 2.Bxe7#
- 2.Bg7#
- 2.Bh8#
- 2.Rf5#
- 1...Sd6
- 2.Be5#
- 2.Bg5#
- 1...Sd8
- 2.Be5#
- 2.Bg5#
- 2.Rf5#
- 1...e5
- 2.Bxh4#
- 2.Bxe5#
- 2.Bg5#
- 2.Be7#
- 2.Bg7#
- 2.Bd8#
- 2.Bh8#
- 1...e6
- 2.Bc3#
- 2.Bd4#
- 2.Bxh4#
- 2.Be5#
- 2.Bg5#
- 2.Be7#
- 2.Bg7#
- 2.Bd8#
- 2.Bh8#
- 1...Qxd5!
- threat
- 1.Bd5+?
- Keys
- 1.Rg8!
- threat
- 2.Sg2#
- 1...Qxb2
- 2.Bh8#
- 1...Rxb2
- 2.Bh7#
- 1...exf6
- 2.Qxf6#
- 1...Rg4
- 2.Rxg4#
- threat
- 1.Rg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(f);N_GUARD::R1(C)
- R(f);N_GUARD::R1(C),XR(f)
- P(k);OGATE,P_SPINP(k),XB(H)::QAR2(I),XP(k)
- P(k);SBLOCK::QAR(I)+B(H),DCHECK
- Tries
- Try
- B(G);CHECK
- Refutation
- K(e);CHECK,P-FLIGHT
- Try
- B(H);CHECK,XP(k)
- Vars
- K(e);S_FLIGHT::QAB1(I)
- Refutation
- Q(a);XQ(I)
- Try
- R(C);
- Threat
- S(A)
- Vars
- Q(a);N_GUARD,XP(B)::QAR(I)+B(H),XP(k)
- P(k);OGATE,P_SPINP(k),XB(H)::QAR2(I),XP(k)
- R(f);N_GUARD::R1(C),XR(f)
- Refutation
- P(h);XR(C)
- Try
- R(C);
- Threat
- S(A)
- Vars
- P(k);OGATE,P_SPINP(k),XB(H)::QAR2(I),XP(k)
- R(f);N_GUARD::R1(C),XR(f)
- Refutation
- R(d);XP(B)
- Try
- R(C);
- Threat
- S(A)
- Vars
- R(d);N_GUARD,XP(B)::R(F)+B(G)
- P(k);OGATE,P_SPINP(k),XB(H)::QAR2(I),XP(k)
- R(f);N_GUARD::R1(C),XR(f)
- Refutation
- Q(a);XP(B)
- Try
- R(F);
- Threat
- DUALS(9)
- Refutation
- Q(a);XR(F)
- Try
- Actual
- R(C);
- Threat
- S(A)
- Vars
- Q(a);N_GUARD,XP(B)::QAR(I)+B(H)
- R(d);N_GUARD,XP(B)::R(F)+B(G)
- P(k);OGATE,P_SPINP(k),XB(H)::QAR2(I),XP(k)
- R(f);N_GUARD::R1(C),XR(f)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).