MESON Chess Problem Database

Problem Display
PID: 89743 (4r3/p6b/K1B1p1N1/1Q6/1p1k1Ppp/2np2bR/R5N1/Br6 w - - 0 1)

Bantysh, Nikolai Ivanovich

Die Schwalbe, 2000

4r3/p6b/K1B1p1N1/1Q6/1p1k1Ppp/2np2bR/R5N1/Br6

#2

9 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa1
      • 2.Qxb4#
    • 1...Rc1
      • 2.Qxb4#
    • 1...Rd1
      • 2.Qxb4#
    • 1...Re1
      • 2.Qxb4#
    • 1...Rf1
      • 2.Qxb4#
    • 1...Rg1
      • 2.Qxb4#
    • 1...Rh1
      • 2.Qxb4#
    • 1...Be1
      • 2.Rxd3#
    • 1...Bf2
      • 2.Rxd3#
    • 1...Bh2
      • 2.Rxd3#
    • 1...Bxf4
      • 2.Rxd3#
    • 1...d2
      • 2.Rxd2#
    • 1...b3
      • 2.Ra4#
      • 2.Qb4#
    • 1...e5
      • 2.Qd5#
  • Keys
    • 1.Se3!
      • threat
        • 2.Qe5#
      • 1...Kxe3
        • 2.Qc5#
      • 1...Bxf4
        • 2.Qc4#
      • 1...d2
        • 2.Sc2#
      • 1...e5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • R(a);N_GUARD,N_SPINS(b),P_PINR(B),XB(A)::QAR2(F),XP(e)
    • R(a);N_GUARD::QAR2(F),XP(e)
    • B(d);OGATE::R1(D),XP(c)
    • B(d);OGATE,XP(E)::R1(D),XP(c)
    • P(c);OGATEB::R(B),XP(c)
    • P(i);N_GUARD::QAR1(F)
  • Actual
    • S(C);
    • Threat
      • QAB1(F)
    • Vars
      • K(f);N_SPINS(b),P_SPINB(d),S_FLIGHT,XS(C)::QAB(F)
      • B(d);XP(E)::QAR1(F)
      • P(c);N_GUARD::S(C)
      • P(i);N_GUARD::S(C)
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