MESON Chess Problem Database
Problem Display
PID: 73479 (1B6/3Pp3/2BnP3/q1nR4/4k1Kp/1prRP3/1Q1r3N/b7 w - - 0 1)
Buchwald, Julius
1st Prize, American Chess Bulletin, 1949
#2
10 + 10
| 70 | American Chess Problemist | 1950 |
| 5759 | Selected Compositions of Julius Buchwald | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qg2#
- 1...Rg2+
- 2.Qxg2#
- 1...Rc1
- 2.Rxd6#
- 1...Rc2
- 2.Rxd6#
- 1...Rxd3
- 2.Re5#
- 1...Rc4
- 2.Rxd6#
- 1...Sc4
- 2.R5d4#
- 1...Sb5
- 2.R5d4#
- 1...Sf5
- 2.R5d4#
- 1...Sb7
- 2.R5d4#
- 1...Sf7
- 2.R5d4#
- 1...Sc8
- 2.R5d4#
- 1...Se8
- 2.R5d4#
- 1...Rd1
- Tries
- 1.Sf3?
- threat
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 2.Rxd6#
- 1...Rxb2
- 2.Sg5#
- 2.R5d4#
- 2.Rxd6#
- 1...Rdxd3
- 2.Re5#
- 1...Rcxd3
- 2.Re5#
- 1...Sxd3
- 2.Re5#
- 1...Sxe6
- 2.Sxd2#
- 2.R5d4#
- 1...Sxd7
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 1...Qb6
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 1...Qc7
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 1...Qa4
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 1...Qb5
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 1...Qa6
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 1...Qa8
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 1...Rd1
- 2.Sg5#
- 2.R5d4#
- 2.Rxd6#
- 1...Rdc2
- 2.Sg5#
- 2.R5d4#
- 2.Rxd6#
- 1...Re2
- 2.Sg5#
- 2.R5d4#
- 2.Rxd6#
- 1...Rf2
- 2.Sg5#
- 2.R5d4#
- 2.Rxd6#
- 1...Rh2
- 2.Sg5#
- 2.R5d4#
- 2.Rxd6#
- 1...Rc1
- 2.Sg5#
- 2.R5d4#
- 2.Rxd6#
- 1...Rcc2
- 2.Sg5#
- 2.R5d4#
- 2.Rxd6#
- 1...Rc4
- 2.Sg5#
- 2.R5d4#
- 2.Rxd6#
- 1...Sa4
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 1...Sa6
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 1...Scb7
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 1...Sc4
- 2.Sg5#
- 2.R5d4#
- 2.Rd6#
- 1...Sb5
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 2.Rd6#
- 1...Sf5
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 2.Rd6#
- 1...Sdb7
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 2.Rd6#
- 1...Sf7
- 2.Sxd2#
- 2.R5d4#
- 2.Rd6#
- 1...Sc8
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 2.Rd6#
- 1...Se8
- 2.Sxd2#
- 2.Sg5#
- 2.R5d4#
- 2.Rd6#
- 1...Rg2+!
- threat
- 1.Bxd6?
- threat
- 2.R5d4#
- 1...Rg2+
- 2.Qxg2#
- 1...Rdxd3
- 2.Re5#
- 1...Rcxd3
- 2.Re5#
- 1...Sxd3
- 2.Re5#
- 1...exd6!
- threat
- 1.R3d4+?
- 1...Kxe3
- 2.Qxd2#
- 1...Rxd4!
- 1...Kxe3
- 1.Qxd2?
- threat
- 2.R3d4#
- 2.Rxc5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qg2#
- 1...Sxd3
- 2.Rc5#
- 1...Sxe6
- 2.Rc5#
- 2.Qg2#
- 1...Sxd7
- 2.R3d4#
- 2.Rc5#
- 2.Qg2#
- 1...Qb4
- 2.Rxc5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qg2#
- 1...Qb6
- 2.R3d4#
- 2.Qg2#
- 1...Qc7
- 2.R3d4#
- 2.Qg2#
- 1...Qa2
- 2.R3d4#
- 2.Rxc5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qa4
- 2.Qg2#
- 1...Qb5
- 2.R3d4#
- 2.Qg2#
- 1...Qa6
- 2.R3d4#
- 2.Qg2#
- 1...Qa8
- 2.R3d4#
- 2.Qg2#
- 1...Rc1
- 2.Rxc5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qg2#
- 1...Rc2
- 2.Rxc5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Rc4
- 2.Rxc5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qg2#
- 1...Sa4
- 2.R3d4#
- 2.Rc5#
- 2.Qg2#
- 1...Sa6
- 2.R3d4#
- 2.Rc5#
- 2.Qg2#
- 1...Scb7
- 2.R3d4#
- 2.Rc5#
- 2.Qg2#
- 1...Sb5
- 2.R5d4#
- 2.Rxc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qg2#
- 1...Sf5
- 2.R5d4#
- 2.Rxc5#
- 2.Re5#
- 2.Rxf5#
- 2.Qg2#
- 1...h3
- 2.R3d4#
- 2.Rxc5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Rxd3!
- threat
- 1.Sf3?
- Keys
- 1.Sf1!
- threat
- 2.Sxd2#
- 1...Rg2+
- 2.Qxg2#
- 1...Rxb2
- 2.R3d4#
- 1...Rdxd3
- 2.Qg2#
- 1...Rcxd3
- 2.Re5#
- 1...Sxd3
- 2.Rc5#
- 1...Rd1
- 2.Qg2#
- 1...Rdc2
- 2.R3d4#
- 1...Re2
- 2.R3d4#
- 1...Rf2
- 2.R3d4#
- 1...Rh2
- 2.R3d4#
- 1...Rc1
- 2.Rxd6#
- 1...Rcc2
- 2.Rxd6#
- 1...Rc4
- 2.Rxd6#
- 1...Sc4
- 2.R5d4#
- threat
- 1.Sf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 6
- Sets
- R(b);OGATE::QAB(A)
- R(b);CHECK,OGATE::QAB(A),XR(b)
- R(d);::B(G)+R(F),XS(i)
- R(d);SBLOCK,XR(C)::B(G)+R(F),DCHECK
- S(i);::B(G)+R(F),DCHECK
- Tries
- Try
- S(B);
- Threat
- DUALS(4)
- Vars
- R(b);SBLOCK,XR(C)::B(G)+R(F),DCHECK
- R(d);SBLOCK,XR(C)::B(G)+R(F),DCHECK
- S(h);SBLOCK,XR(C)::B(G)+R(F),DCHECK
- Refutation
- R(b);CHECK
- Try
- B(J);XS(i)
- Threat
- B(G)+R(F),DCHECK
- Vars
- R(b);CHECK,OGATE::QAB(A),XR(b)
- R(b);SBLOCK,XR(C)::B(G)+R(F),DCHECK
- R(d);SBLOCK,XR(C)::B(G)+R(F),DCHECK
- S(h);SBLOCK,XR(C)::B(G)+R(F),DCHECK
- Refutation
- P(j);XB(J)
- Try
- R(C);CHECK
- Vars
- K(e);P-FLIGHT,XP(D)::QAB1(A),XR(b)
- Refutation
- R(b);XR(C)
- Try
- Q(A);XR(b)
- Threat
- DUALS(6)
- Vars
- S(h);XR(C)::B(G)+R(F)
- Q(g);::QAB(A)
- Refutation
- R(d);XR(C)
- Try
- Actual
- S(B);
- Threat
- S(B),XR(b)
- Vars
- R(b);CHECK,OGATE::QAB(A),XR(b)
- R(b);N_GUARD,XQ(A)::R1(C)
- R(b);OGATE,XR(C)::QAB(A)
- R(d);SBLOCK,XR(C)::B(G)+R(F),DCHECK
- S(h);SBLOCK,XR(C)::B(G)+R(F)
- R(b);OGATE::QAB(A)
- R(b);N_GUARD::R1(C)
- R(d);::B(G)+R(F),XS(i)
- S(i);::B(G)+R(F),DCHECK
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