MESON Chess Problem Database
Problem Display
PID: 63244 (4R1K1/b2P2pp/1n2BNQq/3pP3/1R1B1kpN/6nr/4bPP1/4r3 w - - 0 1)
Myllyniemi, Matti Arvo
5th Comm., Heinonen (E)-50 JT, 1973
#2
12 + 12
| 3753 | FIDE Album (1971-1973) | 1978 |
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Qxg4#
- 1...Bd3
- 2.Qxg4#
- 1...Bc4
- 2.Qxg4#
- 1...Bb5
- 2.Qxg4#
- 1...Ba6
- 2.Qxg4#
- 1...Sf1
- 2.Qf5#
- 1...Sh1
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Sa4
- 2.Sxd5#
- 1...Sc4
- 2.Sxd5#
- 1...Sxd7
- 2.Sxd5#
- 1...Sa8
- 2.Sxd5#
- 1...Sc8
- 2.Sxd5#
- 1...Bf1
- Tries
- 1.Sf3?
- threat
- 2.Be3#
- 2.Qxg4#
- 1...Qxg6
- 2.Be3#
- 1...gxf3
- 2.Qg4#
- 1...hxg6
- 2.Be3#
- 1...Qg5
- 2.Be3#
- 2.Qxg5#
- 1...Qh4
- 2.Be3#
- 1...Qh5
- 2.Be3#
- 1...Rh4
- 2.Be3#
- 1...Bc4
- 2.Qxg4#
- 1...Sc4
- 2.Sxd5#
- 2.Qxg4#
- 1...Bxf3!
- threat
- 1.Sh5+?
- 1...Sxh5
- 2.Qf5#
- 1...Qxh5!
- 1...Sxh5
- 1.Ba1+?
- 1...Bc4
- 2.Qxg4#
- 1...Se4
- 2.Qf5#
- 1...Sc4
- 2.Sxd5#
- 1...d4!
- 1...Bc4
- 1.Bb2+?
- 1...Bc4
- 2.Qxg4#
- 1...Se4
- 2.Qf5#
- 1...Sc4
- 2.Sxd5#
- 1...d4!
- 1...Bc4
- 1.Bc3+?
- 1...Bc4
- 2.Qxg4#
- 1...Se4
- 2.Qf5#
- 1...Sc4
- 2.Sxd5#
- 1...d4!
- 1...Bc4
- 1.Bxg4?
- threat
- 2.Be3#
- 1...Se4
- 2.Qf5#
- 1...Sc4
- 2.Sxd5#
- 1...Bc4!
- threat
- 1.Bxd5?
- threat
- 2.Be3#
- 1...Bc4
- 2.Qxg4#
- 1...Se4
- 2.Qf5#
- 1...Sc4!
- threat
- 1.Bf5?
- threat
- 2.Be3#
- 1...Bc4
- 2.Qxg4#
- 1...Sc4
- 2.Sxd5#
- 1...Se4!
- threat
- 1.fxg3+?
- 1...Rxg3
- 2.Qf5#
- 1...Kxg3!
- 1...Rxg3
- 1.Sf3?
- Keys
- 1.Bf7!
- threat
- 2.Be3#
- 1...Bc4
- 2.Qxg4#
- 1...Se4
- 2.Qf5#
- 1...Sc4
- 2.Sxd5#
- threat
- 1.Bf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- B(b);N_GUARD::QAR1(I),XP(f)
- S(c);N_GUARD::QAR1(I)
- S(c);N_GUARD::QAR1(I),XS(c)
- S(h);N_GUARD::S(H),XP(g)
- S(h);N_GUARD,XP(J)::S(H),XP(g)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(i);XQ(I)::R(C)+B(D),DCHECK
- P(f);XS(E)::QAR1(I)
- P(l);XQ(I)::R(C)+B(D),DCHECK
- Q(i);::R(C)+B(D),DCHECK
- R(d);::R(C)+B(D),DCHECK
- B(b);::QAR1(I),XP(f)
- Refutation
- B(b);XS(E)
- Try
- S(H);CHECK
- Vars
- S(c);XS(H)::QAR1(I)
- Refutation
- Q(i);XS(H)
- Try
- B(D);CHECK
- Vars
- B(b);P_SPINB(b)::QAR1(I),XP(f)
- S(c);P_SPINS(c)::QAR1(I)
- S(h);P_SPINS(h)::S(H),XP(g)
- Refutation
- P(g);P_SPINP(g)
- Try
- B(D);CHECK
- Vars
- B(b);P_SPINB(b)::QAR1(I),XP(f)
- S(c);P_SPINS(c)::QAR1(I)
- S(h);P_SPINS(h)::S(H),XP(g)
- Refutation
- P(g);P_SPINP(g)
- Try
- B(D);CHECK
- Vars
- B(b);P_SPINB(b)::QAR1(I),XP(f)
- S(c);P_SPINS(c)::QAR1(I)
- S(h);P_SPINS(h)::S(H),XP(g)
- Refutation
- P(g);P_SPINP(g)
- Try
- B(G);XP(f)
- Threat
- R(C)+B(D),DCHECK
- Vars
- S(c);N_GUARD::QAR1(I)
- S(h);N_GUARD::S(H),XP(g)
- Refutation
- B(b);
- Try
- B(G);XP(g)
- Threat
- R(C)+B(D),DCHECK
- Vars
- B(b);N_GUARD,P_PINB(G)::QAR1(I),XP(f)
- S(c);N_GUARD::QAR1(I)
- Refutation
- S(h);
- Try
- B(G);
- Threat
- R(C)+B(D),DCHECK
- Vars
- B(b);N_GUARD::QAR1(I),XP(f)
- S(h);N_GUARD::S(H),XP(g)
- Refutation
- S(c);
- Try
- P(A);CHECK,XS(c)
- Vars
- R(d);SBLOCK,XP(A)::QAR1(I)
- Refutation
- K(e);P_SPINP(f),S_FLIGHT,XP(A)
- Try
- Actual
- B(G);
- Threat
- R(C)+B(D),DCHECK
- Vars
- B(b);N_GUARD::QAR1(I),XP(f)
- S(c);N_GUARD::QAR1(I)
- S(h);N_GUARD::S(H),XP(g)
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