MESON Chess Problem Database
Problem Display
PID: 143217 (8/p1Qrb3/2p5/R2B1p1K/1ppk3n/NR1pNP1n/2P1p3/r1B2b2 w - - 0 1)
Rosner, Eugene David
The Problemist, 2011
#2
10 + 14
SOLUTION
- SOUND
- Sets
- 1...Sg1
- 2.Qf4#
- 1...Sf4+
- 2.Qxf4#
- 1...Sg2
- 2.Sxf5#
- 1...Sxf3
- 2.Sxf5#
- 1...Sg6
- 2.Sxf5#
- 1...dxc2
- 2.Saxc2#
- 2.Sexc2#
- 1...bxa3
- 2.c3#
- 1...cxd5
- 2.Sb5#
- 1...c5
- 2.Sb5#
- 1...Sg1
- Tries
- 1.Saxc4?
- threat
- 2.Bb2#
- 2.Rxd3#
- 2.Qe5#
- 1...Sf4+
- 2.Qxf4#
- 1...Rxc1
- 2.Rxd3#
- 2.Qe5#
- 1...Rxd5
- 2.Bb2#
- 2.Rxd3#
- 1...Rxc7
- 2.Bb2#
- 2.Rxd3#
- 1...Sxf3
- 2.Sxf5#
- 2.Bb2#
- 2.Rxd3#
- 1...dxc2
- 2.Sxc2#
- 2.Bb2#
- 2.Qe5#
- 1...e1Q
- 2.Qe5#
- 1...e1S
- 2.Bb2#
- 2.Qe5#
- 1...e1B
- 2.Qe5#
- 1...e1R
- 2.Bb2#
- 2.Qe5#
- 1...Rb1
- 2.Rxd3#
- 2.Qe5#
- 1...Ra2
- 2.Rxd3#
- 2.Qe5#
- 1...Ra3
- 2.Bb2#
- 2.Qe5#
- 1...Rd6
- 2.Bb2#
- 2.Rxd3#
- 1...Bd6
- 2.Bb2#
- 2.Rxd3#
- 1...Bf6
- 2.Bb2#
- 2.Rxd3#
- 1...Sf2
- 2.Bb2#
- 2.Qe5#
- 1...Sg6
- 2.Sxf5#
- 2.Bb2#
- 2.Rxd3#
- 1...d2
- 2.Bb2#
- 2.Rd3#
- 2.Qe5#
- 1...Rxa5!
- threat
- 1.Sb5+?
- 1...Kc5
- 2.Qxc6#
- 1...cxb5!
- 1...Kc5
- 1.Sexc4?
- threat
- 2.Bb2#
- 2.Be3#
- 2.Rxd3#
- 2.Qe5#
- 1...Sf4+
- 2.Qxf4#
- 1...Rxc1
- 2.Rxd3#
- 2.Qe5#
- 1...Rxa3
- 2.Bb2#
- 2.Be3#
- 2.Qe5#
- 1...Rxd5
- 2.Bb2#
- 2.Be3#
- 2.Rxd3#
- 1...Rxc7
- 2.Bb2#
- 2.Be3#
- 2.Rxd3#
- 1...Sxf3
- 2.Bb2#
- 2.Be3#
- 2.Rxd3#
- 1...dxc2
- 2.Sxc2#
- 2.Bb2#
- 2.Be3#
- 2.Qe5#
- 1...bxa3
- 2.Be3#
- 2.Rxd3#
- 2.Qe5#
- 2.c3#
- 1...Bc5
- 2.Rxd3#
- 2.Qe5#
- 1...c5
- 2.Rxd3#
- 2.Qe5#
- 1...e1S
- 2.Bb2#
- 2.Be3#
- 2.Qe5#
- 1...e1B
- 2.Be3#
- 2.Qe5#
- 1...e1R
- 2.Bb2#
- 1...Rb1
- 2.Be3#
- 2.Rxd3#
- 2.Qe5#
- 1...Ra2
- 2.Be3#
- 2.Rxd3#
- 2.Qe5#
- 1...Rd6
- 2.Bb2#
- 2.Be3#
- 2.Rxd3#
- 1...Bg5
- 2.Bb2#
- 2.Rxd3#
- 2.Qe5#
- 1...Bd6
- 2.Bb2#
- 2.Be3#
- 2.Rxd3#
- 1...Bf6
- 2.Bb2#
- 2.Be3#
- 2.Rxd3#
- 1...Sf2
- 2.Bb2#
- 2.Be3#
- 2.Qe5#
- 1...Sg2
- 2.Bb2#
- 2.Rxd3#
- 2.Qe5#
- 1...Sg6
- 2.Bb2#
- 2.Be3#
- 2.Rxd3#
- 1...d2
- 2.Bb2#
- 2.Rd3#
- 2.Qe5#
- 1...f4
- 2.Bb2#
- 2.Rxd3#
- 2.Qe5#
- 1...e1Q!
- threat
- 1.Bxc4?
- threat
- 2.Rxd3#
- 2.Qe5#
- 1...Sf4+
- 2.Qxf4#
- 1...Rxa3
- 2.Qe5#
- 1...Rxc7
- 2.Rxd3#
- 1...dxc2
- 2.Saxc2#
- 2.Sexc2#
- 2.Bb2#
- 2.Rd3#
- 2.Qe5#
- 1...e1Q
- 2.Qe5#
- 1...e1S
- 2.Qe5#
- 1...e1B
- 2.Qe5#
- 1...e1R
- 2.Qe5#
- 1...Rd5
- 2.Rxd3#
- 1...Rd6
- 2.Rxd3#
- 1...Bc5
- 2.Rxd3#
- 1...Bd6
- 2.Rxd3#
- 1...Bf6
- 2.Rxd3#
- 2.Qxd7#
- 1...Sf2
- 2.Qe5#
- 1...Sg6
- 2.Sxf5#
- 2.Rxd3#
- 1...d2
- 2.Bb2#
- 2.Rd3#
- 2.Qe5#
- 1...c5
- 2.Sb5#
- 2.Rxd3#
- 1...Sxf3!
- threat
- 1.Saxc4?
- Keys
- 1.Bxc6!
- threat
- 2.Qe5#
- 1...Sf4+
- 2.Qxf4#
- 1...Rxc7
- 2.Rd5#
- 1...Sxf3
- 2.Sxf5#
- 1...Rd5
- 2.Rxd5#
- 1...Rd6
- 2.Qxa7#
- 1...Bc5
- 2.Sb5#
- 1...Bd6
- 2.Rd5#
- 1...Bf6
- 2.Qxd7#
- 1...Sg6
- 2.Sxf5#
- threat
- 1.Bxc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 5
- Sets
- S(e);N_GUARD::QAR2(J)
- S(e);CHECK,N_GUARD::QAR2(J),XS(e)
- S(i);N_GUARD::S(E),XP(j)
- S(i);N_GUARD,XP(F)::S(E),XP(j)
- P(f);N_GUARD,XS(C)::P(B)
- P(k);N_GUARD,XB(H)::S(C)
- P(k);N_GUARD::S(C)
- Tries
- Try
- S(C);XP(g)
- Threat
- DUALS(3)
- Vars
- S(e);CHECK,N_GUARD::QAR2(J),XS(e)
- P(c);::QAB1(J)
- Refutation
- R(a);XR(G)
- Try
- S(C);CHECK
- Vars
- K(h);P_SPINP(k),S_FLIGHT::QAR1(J),XP(k)
- Refutation
- P(k);XS(C)
- Try
- S(E);XP(g)
- Threat
- DUALS(4)
- Vars
- S(e);CHECK,N_GUARD::QAR2(J),XS(e)
- P(c);::B(A)
- Refutation
- P(c);
- Try
- B(H);XP(g)
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,N_GUARD::QAR2(J),XS(e)
- R(a);XS(C)::QAB1(J)
- R(m);XQ(J)::R1(D),XP(d)
- P(c);::QAB1(J)
- R(m);::R1(D),XP(d)
- B(n);::R1(D),XP(d)
- S(e);::QAB1(J)
- Refutation
- S(i);XP(F)
- Try
- Actual
- B(H);XP(k)
- Threat
- QAB1(J)
- Vars
- S(e);CHECK,N_GUARD::QAR2(J),XS(e)
- R(m);N_GUARD,XQ(J)::R1(G)
- S(i);N_GUARD,XP(F)::S(E),XP(j)
- R(m);N_GUARD::R1(G),XR(m)
- R(m);N_GUARD,S_CUTB(n)::QAB(J),XP(l)
- B(n);SBLOCK::S(C)
- B(n);S_CUTR(m)::R1(G)
- B(n);N_GUARD::QAR(J),XR(m)
- S(i);N_GUARD::S(E),XP(j)
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