MESON Chess Problem Database
Problem Display
PID: 53224 (2R5/4N3/4bb2/p4R2/1n1kp3/r1N4K/1r1p1P1B/n1Q2B2 w - - 0 1)
Levman, Semyon Semyonovich
1st Prize, Magyar Sakkvilag, 1936
#2
9 + 10
| 45 | Schach | 1951 |
| 268 | Chess Life | 1954 |
| 133 | The Problemist Supplement | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sb5#
- 1...Rxc3+
- 2.Qxc3#
- 1...Ra4
- 2.Sb5#
- 1...Bb3
- 2.Sb5#
- 1...Bc4
- 2.Rxc4#
- 1...Bxf5+
- 2.Sxf5#
- 1...Bd7
- 2.Rc4#
- 1...Bh4
- 2.Be5#
- 1...Be5
- 2.Bxe5#
- 1...Bg5
- 2.Be5#
- 1...Bxe7
- 2.Be5#
- 1...Sb3
- 2.Sb5#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Qxd2#
- 1...Sd3
- 2.Se2#
- 1...Sd5
- 2.Rc4#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...d1Q
- 2.Qe3#
- 1...d1B
- 2.Qe3#
- 1...d1R
- 2.Qe3#
- 1...Ra2
- Tries
- 1.Kg2?
- threat
- 2.Sb5#
- 1...Rxc3
- 2.Qxc3#
- 1...Bc4
- 2.Rxc4#
- 1...Bd7
- 2.Rc4#
- 1...Sa2
- 2.Sc6#
- 1...Sbc2
- 2.Qxd2#
- 1...Sd3
- 2.Se2#
- 1...Sd5
- 2.Rc4#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- threat
- 1.Bg3?
- threat
- 2.Sb5#
- 1...Bxf5+
- 2.Sxf5#
- 1...Rxc3
- 2.Qxc3#
- 1...Bc4
- 2.Rxc4#
- 1...Bd7
- 2.Rc4#
- 1...Sa2
- 2.Sc6#
- 1...Sbc2
- 2.Qxd2#
- 1...Sd3
- 2.Se2#
- 1...Sd5
- 2.Rc4#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e3!
- threat
- 1.Qxd2+?
- 1...Sd3
- 2.Se2#
- 2.Qe3#
- 1...Rxd2!
- 1...Sd3
- 1.Kg2?
- Keys
- 1.Bb8!
- threat
- 2.Ba7#
- 1...Rxc3+
- 2.Qxc3#
- 1...Bxf5+
- 2.Sxf5#
- 1...Bxe7
- 2.Be5#
- 1...Sb3
- 2.Sb5#
- 1...Sa2
- 2.Sc6#
- 1...Sbc2
- 2.Qxd2#
- 1...Sd3
- 2.Se2#
- 1...Sd5
- 2.Rc4#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- threat
- 1.Bb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- R(d);N_PINS(E)::S(E)
- R(d);CHECK,OGATE,XS(E)::QAB1(A),XR(d)
- B(i);N_PINR(G),N_PINS(E)::S(E)
- B(i);N_GUARD,N_PINR(G)::R1(I),XB(i)
- B(i);CHECK,XR(G)::S(H),XB(i)
- B(i);N_GUARD::R1(I)
- B(j);N_GUARD::B(D)
- B(j);N_GUARD::B(D),XB(j)
- B(j);N_GUARD,XS(H)::B(D)
- S(a);N_PINS(E)::S(E)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD,S_CUTR(b)::QAR2(A),XP(c)
- S(e);N_PINS(E),SBLOCK::S(E)
- S(e);S_CUTB(i)::R1(I)
- S(e);N_GUARD::S(H),XS(e)
- P(c);OGATE::QAB1(A)
- Tries
- Try
- K(F);N_SPINR(G),N_SPINS(E),S_FLIGHT
- Threat
- S(E)
- Vars
- R(d);OGATE,XS(E)::QAB1(A),XR(d)
- B(i);N_GUARD::R1(I),XB(i)
- B(i);N_GUARD::R1(I)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD,S_CUTR(b)::QAR2(A),XP(c)
- S(e);SBLOCK::S(E)
- S(e);S_CUTB(i)::R1(I)
- S(e);N_GUARD::S(H),XS(e)
- Refutation
- P(g);
- Try
- B(D);N_SPINS(E)
- Threat
- S(E)
- Vars
- B(i);CHECK,XR(G)::S(H),XB(i)
- R(d);OGATE,P_PINB(D),XS(E)::QAB1(A),XR(d)
- B(i);N_GUARD,N_PINR(G)::R1(I),XB(i)
- B(i);N_GUARD::R1(I)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD,S_CUTR(b)::QAR2(A),XP(c)
- S(e);SBLOCK::S(E)
- S(e);S_CUTB(i)::R1(I)
- S(e);N_GUARD::S(H),XS(e)
- Refutation
- P(g);
- Try
- Q(A);CHECK,XP(c)
- Refutation
- R(b);XQ(A)
- Try
- Actual
- B(D);
- Threat
- B(D)
- Vars
- R(d);CHECK,OGATE,XS(E)::QAB1(A),XR(d)
- B(i);CHECK,XR(G)::S(H),XB(i)
- B(j);N_GUARD,XS(H)::B(D)
- S(a);N_PINS(E)::S(E)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD,S_CUTR(b)::QAR2(A),XP(c)
- S(e);N_PINS(E),SBLOCK::S(E)
- S(e);S_CUTB(i)::R1(I)
- S(e);N_GUARD::S(H),XS(e)
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