MESON Chess Problem Database
Problem Display
PID: 17813 (K3B3/1nN5/5Qp1/6Bb/p1pNk2p/3Rrp2/qnr1pp2/2b5 w - - 0 1)
Hassberg, Eric Manfred
1st Prize, American Chess Problemist TT, 1951
#2
7 + 15
| 56 | The Problemist | 1954 |
| 145 | StrateGems | 1998 |
| 3389 | Belgian Solving Championship | 2005 |
| 81 | Chess | 2007 |
| 56 | The Problemist | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rd2
- 2.Rxe3#
- 1...Rxd3
- 2.Bc6#
- 1...Sxd3
- 2.Bc6#
- 1...cxd3
- 2.Qf4#
- 1...Rd2
- Tries
- 1.Sxc2?
- threat
- 2.Rd4#
- 1...Rxd3
- 2.Qe6#
- 1...Sxd3
- 2.Bc6#
- 1...cxd3
- 2.Qf4#
- 1...Kxd3!
- threat
- 1.Sxe2?
- threat
- 2.Rd4#
- 1...Rxd3
- 2.Qe6#
- 1...Sxd3
- 2.Bc6#
- 1...cxd3
- 2.Qf4#
- 1...Rd2
- 2.Rxe3#
- 1...Kxd3!
- threat
- 1.Sb3?
- threat
- 2.Rd4#
- 1...Kxd3
- 2.Qd4#
- 1...Rxd3
- 2.Qe6#
- 1...Sxd3
- 2.Bc6#
- 1...cxd3
- 2.Qf4#
- 2.Qe6#
- 1...Rd2
- 2.Rxe3#
- 1...axb3+!
- threat
- 1.Sxf3?
- threat
- 2.Rd4#
- 1...Kxd3
- 2.Qd4#
- 1...Sxd3
- 2.Bc6#
- 1...cxd3
- 2.Qf4#
- 1...Rd2
- 2.Rxe3#
- 1...Rxd3!
- threat
- 1.Sf5?
- threat
- 2.Rd4#
- 1...Kxd3
- 2.Qd4#
- 1...Rxd3
- 2.Qe6#
- 1...Sxd3
- 2.Bc6#
- 1...Rd2
- 2.Rxe3#
- 1...cxd3!
- threat
- 1.Sc6?
- threat
- 2.Rd4#
- 1...Kxd3
- 2.Qd4#
- 1...Rxd3
- 2.Qe5#
- 2.Qe6#
- 1...cxd3
- 2.Qe5#
- 2.Qf4#
- 1...Rd2
- 2.Rxe3#
- 1...Sxd3!
- threat
- 1.Sde6?
- threat
- 2.Rd4#
- 1...Kxd3
- 2.Qd4#
- 1...Sxd3
- 2.Bc6#
- 1...cxd3
- 2.Qf4#
- 1...Rd2
- 2.Rxe3#
- 1...Rxd3!
- threat
- 1.Qc6+?
- 1...Ke5
- 2.Qd5#
- 2.Qe6#
- 1...Kxd3!
- 1...Ke5
- 1.Qxg6+?
- 1...Ke5
- 2.Sc6#
- 2.Qe6#
- 1...Bxg6!
- 1...Ke5
- 1.Sxc2?
- Keys
- 1.Sdb5!
- threat
- 2.Rd4#
- 1...Kxd3
- 2.Qd4#
- 1...Rxd3
- 2.Qe6#
- 1...Sxd3
- 2.Bc6#
- 1...cxd3
- 2.Qf4#
- 1...Rd2
- 2.Rxe3#
- threat
- 1.Sdb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(d);S_CUTB(a)::R1(A),XR(g)
- R(g);SBLOCK,XR(A)::B(G)
- S(c);SBLOCK,XR(A)::B(G)
- P(j);SBLOCK,XR(A)::QAR1(D)
- Tries
- Try
- S(B);XR(d)
- Threat
- R1(A)
- Vars
- R(g);SBLOCK,XR(A)::QAR2(D)
- S(c);SBLOCK,XR(A)::B(G)
- P(j);SBLOCK,XR(A)::QAR1(D)
- Refutation
- K(k);S_FLIGHT,XR(A)
- Try
- S(B);XP(e)
- Threat
- R1(A)
- Vars
- R(g);SBLOCK,XR(A)::QAR2(D)
- S(c);SBLOCK,XR(A)::B(G)
- P(j);SBLOCK,XR(A)::QAR1(D)
- R(d);S_CUTB(a)::R1(A),XR(g)
- Refutation
- K(k);S_FLIGHT,XR(A)
- Try
- S(B);
- Threat
- R1(A)
- Vars
- K(k);S_FLIGHT,XR(A)::QAR1(D)
- R(g);SBLOCK,XR(A)::QAR2(D)
- S(c);SBLOCK,XR(A)::B(G)
- R(d);S_CUTB(a)::R1(A),XR(g)
- Refutation
- P(i);CHECK,XS(B)
- Try
- S(B);XP(h)
- Threat
- R1(A)
- Vars
- K(k);S_FLIGHT,XR(A)::QAR1(D)
- S(c);SBLOCK,XR(A)::B(G)
- P(j);SBLOCK,XR(A)::QAR1(D)
- R(d);S_CUTB(a)::R1(A),XR(g)
- Refutation
- R(g);XR(A)
- Try
- S(B);
- Threat
- R1(A)
- Vars
- K(k);S_FLIGHT,XR(A)::QAR1(D)
- R(g);SBLOCK,XR(A)::QAR2(D)
- S(c);SBLOCK,XR(A)::B(G)
- R(d);S_CUTB(a)::R1(A),XR(g)
- Refutation
- P(j);XR(A)
- Try
- S(B);
- Threat
- R1(A)
- Vars
- K(k);S_FLIGHT,XR(A)::QAR1(D)
- R(d);S_CUTB(a)::R1(A),XR(g)
- Refutation
- S(c);XR(A)
- Try
- S(B);
- Threat
- R1(A)
- Vars
- K(k);S_FLIGHT,XR(A)::QAR1(D)
- S(c);SBLOCK,XR(A)::B(G)
- P(j);SBLOCK,XR(A)::QAR1(D)
- R(d);S_CUTB(a)::R1(A),XR(g)
- Refutation
- R(g);XR(A)
- Try
- Q(D);CHECK
- Refutation
- K(k);S_FLIGHT,XR(A)
- Try
- Q(D);CHECK,XP(n)
- Refutation
- B(m);XQ(D)
- Try
- Actual
- S(B);
- Threat
- R1(A)
- Vars
- K(k);S_FLIGHT,XR(A)::QAR1(D)
- R(g);SBLOCK,XR(A)::QAR2(D)
- S(c);SBLOCK,XR(A)::B(G)
- P(j);SBLOCK,XR(A)::QAR1(D)
- R(d);S_CUTB(a)::R1(A),XR(g)
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