MESON Chess Problem Database

Problem Display
PID: 10987 (8/1K1Q4/3BB3/1p4p1/3nk2p/nN3R2/q2Pbb2/8 w - - 0 1)

Tuzar, Vaclav

2nd Prize, Shakhmatny Zhurnal, 1892

8/1K1Q4/3BB3/1p4p1/3nk2p/nN3R2/q2Pbb2/8

#2

7 + 9

5584 Galerie Ceskoslovenskych Skladatelu 01 1965

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf3
      • 2.Bd5#
    • 1...Qxd2
      • 2.Sxd2#
    • 1...Bxf3
      • 2.Sc5#
    • 1...Be1
      • 2.Re3#
    • 1...Be3
      • 2.Rxe3#
    • 1...Bg3
      • 2.Re3#
    • 1...Sc2
      • 2.Qc6#
    • 1...Sxf3
      • 2.Qh7#
    • 1...Sf5
      • 2.Qc6#
    • 1...Sc6
      • 2.Qxc6#
    • 1...Sxe6
      • 2.Qc6#
  • Tries
    • 1.Bf7?
      • threat
        • 2.Qg4#
      • 1...Kxf3
        • 2.Bd5#
      • 1...Qxd2
        • 2.Sxd2#
      • 1...Bxf3
        • 2.Sc5#
      • 1...Be3
        • 2.Rxe3#
      • 1...Se6
        • 2.Qc6#
      • 1...Bg3
        • 2.Re3#
      • 1...Sf5
        • 2.Qxf5#
        • 2.Qc6#
      • 1...g4
        • 2.Qxg4#
      • 1...Sxf3!
    • 1.Qh7+?
      • 1...Sf5
        • 2.Qxf5#
      • 1...Kxf3!
  • Keys
    • 1.Bg8!
      • threat
        • 2.Qg4#
      • 1...Kxf3
        • 2.Bd5#
      • 1...Qxd2
        • 2.Sxd2#
      • 1...Bxf3
        • 2.Sc5#
      • 1...Sxf3
        • 2.Qh7#
      • 1...Be3
        • 2.Rxe3#
      • 1...Se6
        • 2.Qc6#
      • 1...Bg3
        • 2.Re3#
      • 1...Sf5
        • 2.Qxf5#
        • 2.Qc6#
      • 1...g4
        • 2.Qxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • K(f);S_FLIGHT,XR(C)::B(E)
    • Q(a);XP(A)::S(B),XQ(a)
    • B(b);SBLOCK,XR(C)::S(B)
    • B(c);N_GUARD::R1(C)
    • B(c);N_GUARD::R1(C),XB(c)
    • S(e);N_GUARD::QAB(G)
    • S(e);N_GUARD,SBLOCK,XR(C)::QAB(G)
    • S(e);N_GUARD::QAB(G),XS(e)
    • S(e);N_GUARD,XB(E)::QAB(G)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAR2(G)
      • Vars
        • K(f);S_FLIGHT,XR(C)::B(E)
        • Q(a);XP(A)::S(B),XQ(a)
        • B(b);SBLOCK,XR(C)::S(B)
        • B(c);N_GUARD::R1(C),XB(c)
        • S(e);N_GUARD::QAB(G)
        • B(c);N_GUARD::R1(C)
        • P(i);::QAR2(G),XP(i)
      • Refutation
        • S(e);XR(C)
    • Try
      • Q(G);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB1(G),XS(e)
      • Refutation
        • K(f);S_FLIGHT,XR(C)
  • Actual
    • B(E);
    • Threat
      • QAR2(G)
    • Vars
      • K(f);S_FLIGHT,XR(C)::B(E)
      • Q(a);XP(A)::S(B),XQ(a)
      • B(b);SBLOCK,XR(C)::S(B)
      • S(e);N_GUARD,SBLOCK,XR(C)::QAB(G)
      • B(c);N_GUARD::R1(C),XB(c)
      • S(e);N_GUARD::QAB(G)
      • B(c);N_GUARD::R1(C)
      • P(i);::QAR2(G),XP(i)
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