MESON Chess Problem Database
Problem Display
PID: 248213 (4r3/8/2p3r1/2Qn2p1/3pk1N1/R2N4/6P1/1b2KR2 w - - 0 1)
Tuhan-Baranowski, Leon
British Chess Magazine, 1932
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.Qf5#
- 1...Se3
- 2.Sgf2#
- 1...Sb4
- 2.Qf5#
- 1...Sf4
- 2.Sdf2#
- 1...Sb6
- 2.Qf5#
- 1...Sf6
- 2.Qf5#
- 1...Sc7
- 2.Qf5#
- 1...Se7
- 2.Qe5#
- 1...Sc3
- Tries
- 1.Sgf2+?
- 1...Ke3
- 2.Qc1#
- 1...Kf5+!
- 1...Ke3
- 1.Rf4+?
- 1...Sxf4
- 2.Sdf2#
- 1...gxf4!
- 1...Sxf4
- 1.Ra4?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 1...Sb4
- 2.Qf5#
- 1...Sf4
- 2.Sdf2#
- 2.Rxd4#
- 1...Kxd3+!
- threat
- 1.Qd6?
- threat
- 2.Sc5#
- 2.Qxg6#
- 1...Rxd6
- 2.Sc5#
- 1...Bxd3
- 2.Qxg6#
- 1...Sc3
- 2.Sc5#
- 1...Rge6
- 2.Sc5#
- 1...Rf6
- 2.Sc5#
- 1...Rh6
- 2.Sc5#
- 1...Rg7
- 2.Sc5#
- 1...Rgg8
- 2.Sc5#
- 1...Re5
- 2.Sc5#
- 2.Qxe5#
- 1...Ree6
- 2.Sc5#
- 1...Rf8
- 2.Sc5#
- 2.Qe5#
- 1...Reg8
- 2.Sc5#
- 2.Qe5#
- 1...Se3
- 2.Sc5#
- 1...Sb4
- 2.Sc5#
- 1...Sb6
- 2.Sc5#
- 1...Sf6
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Se7
- 2.Sc5#
- 2.Qe5#
- 1...c5
- 2.Sxc5#
- 2.Qxg6#
- 1...Sf4!
- threat
- 1.Qe7+?
- 1...Re6
- 2.Sc5#
- 1...Rxe7
- 2.Sc5#
- 1...Sxe7!
- 1...Re6
- 1.Qc4?
- threat
- 2.Sc5#
- 1...Bxd3
- 2.Qxd3#
- 1...c5
- 2.Sxc5#
- 1...Sf4!
- threat
- 1.Qa5?
- threat
- 2.Sc5#
- 1...Sc3
- 2.Qf5#
- 1...Se3
- 2.Sgf2#
- 1...Sb4
- 2.Qf5#
- 1...Sf4
- 2.Sdf2#
- 1...Sb6
- 2.Qf5#
- 1...Sf6
- 2.Qf5#
- 1...Sc7
- 2.Qf5#
- 1...Se7
- 2.Qe5#
- 1...c5
- 2.Sxc5#
- 1...Bxd3!
- threat
- 1.Qxd5+?
- 1...cxd5
- 2.Sc5#
- 1...Kxd5+!
- 1...cxd5
- 1.Qxc6?
- threat
- 2.Sc5#
- 2.Qxg6#
- 1...Bxd3
- 2.Qxg6#
- 1...Rd6
- 2.Sc5#
- 1...Rge6
- 2.Sc5#
- 1...Rf6
- 2.Sc5#
- 1...Rh6
- 2.Sc5#
- 1...Rg7
- 2.Sc5#
- 1...Rgg8
- 2.Sc5#
- 1...Re5
- 2.Sc5#
- 1...Ree6
- 2.Sc5#
- 1...Rf8
- 2.Sc5#
- 1...Reg8
- 2.Sc5#
- 1...Rxc6!
- threat
- 1.Sgf2+?
- Keys
- 1.Qb5!
- threat
- 2.Sc5#
- 1...Bxd3
- 2.Qxd3#
- 1...Sc3
- 2.Qf5#
- 1...Se3
- 2.Sgf2#
- 1...Sb4
- 2.Qf5#
- 1...Sf4
- 2.Sdf2#
- 1...Sb6
- 2.Qf5#
- 1...Sf6
- 2.Qf5#
- 1...Sc7
- 2.Qf5#
- 1...Se7
- 2.Qe5#
- 1...c5
- 2.Sxc5#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(d);OGATE::QAB1(G)
- S(d);SBLOCK::S(F)
- S(d);SBLOCK::S(E)
- S(d);OGATE::QAR1(G)
- Tries
- Try
- S(F);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINP(b)::QAB(G)
- Refutation
- K(c);CHECK,P_SPINS(d),S_FLIGHT
- Try
- R(B);CHECK
- Vars
- S(d);SBLOCK,XR(B)::S(E)
- Refutation
- P(e);XR(B)
- Try
- R(D);P_PINP(b)
- Threat
- DUALS(2)
- Vars
- S(d);N_SPINP(b),OGATE::QAB1(G)
- Refutation
- K(c);CHECK,N_SPINP(b),S_FLIGHT,XS(E)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(g);XQ(G)::S(E)
- B(a);XS(E)::QAB(G),XR(g)
- S(d);::S(E)
- R(g);::S(E)
- R(h);::S(E)
- Refutation
- S(d);
- Try
- Q(G);CHECK
- Vars
- R(g);P_SPINR(g)::S(E)
- R(h);XQ(G)::S(E)
- Refutation
- S(d);XQ(G)
- Try
- Q(G);P_PINP(b)
- Threat
- S(E)
- Vars
- B(a);OGATE,XS(E)::QAB1(G),XB(a)
- P(f);::S(E),XP(f)
- Refutation
- S(d);
- Try
- Q(G);
- Threat
- S(E)
- Vars
- S(d);OGATE::QAB1(G)
- S(d);SBLOCK::S(F)
- S(d);SBLOCK::S(E)
- S(d);OGATE::QAR1(G)
- P(f);::S(E),XP(f)
- Refutation
- B(a);XS(E)
- Try
- Q(G);CHECK,XS(d)
- Vars
- P(f);SBLOCK,XQ(G)::S(E)
- Refutation
- K(c);CHECK,S_FLIGHT,XQ(G)
- Try
- Q(G);P_PINS(d),XP(f)
- Threat
- DUALS(2)
- Vars
- B(a);XS(E)::QAB(G),XR(g)
- R(g);::S(E)
- R(h);::S(E)
- Refutation
- R(g);N_SPINS(d),XQ(G)
- Try
- Actual
- Q(G);
- Threat
- S(E)
- Vars
- B(a);OGATE,XS(E)::QAB1(G),XB(a)
- S(d);OGATE::QAB1(G)
- S(d);SBLOCK::S(F)
- S(d);SBLOCK::S(E)
- S(d);OGATE::QAR1(G)
- P(f);::S(E),XP(f)
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